121153011 has 16 divisors (see below), whose sum is σ = 185121024. Its totient is φ = 69040224.

The previous prime is 121153009. The next prime is 121153037. The reversal of 121153011 is 110351121.

It is not a de Polignac number, because 121153011 - 2¹ = 121153009 is a prime.

It is a super-2 number, since 2×121153011² = 29356104148732242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121153061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100 + ... + 15566.

It is an arithmetic number, because the mean of its divisors is an integer number (11570064).

Almost surely, 2^121153011 is an apocalyptic number.

121153011 is a deficient number, since it is larger than the sum of its proper divisors (63968013).

121153011 is a wasteful number, since it uses less digits than its factorization.

121153011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15850.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 121153011 is about 11006.9528480865. The cubic root of 121153011 is about 494.8171429482.

The spelling of 121153011 in words is "one hundred twenty-one million, one hundred fifty-three thousand, eleven".