121010102011 has 2 divisors, whose sum is σ = 121010102012. Its totient is φ = 121010102010.

The previous prime is 121010101957. The next prime is 121010102021. The reversal of 121010102011 is 110201010121.

It is an a-pointer prime, because the next prime (121010102021) can be obtained adding 121010102011 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121010102011 - 2²⁵ = 120976547579 is a prime.

It is not a weakly prime, because it can be changed into another prime (121010102021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505051005 + 60505051006.

It is an arithmetic number, because the mean of its divisors is an integer number (60505051006).

Almost surely, 2^121010102011 is an apocalyptic number.

121010102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010102011 is an equidigital number, since it uses as much as digits as its factorization.

121010102011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121010102011 its reverse (110201010121), we get a palindrome (231211112132).

The spelling of 121010102011 in words is "one hundred twenty-one billion, ten million, one hundred two thousand, eleven".