101020021102 has 128 divisors (see below), whose sum is σ = 208569489408. Its totient is φ = 35425728000.

The previous prime is 101020021061. The next prime is 101020021121. The reversal of 101020021102 is 201120020101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17716852 + ... + 17722552.

It is an arithmetic number, because the mean of its divisors is an integer number (1629449136).

Almost surely, 2^101020021102 is an apocalyptic number.

101020021102 is an abundant number, since it is smaller than the sum of its proper divisors (107549468306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101020021102 is a wasteful number, since it uses less digits than its factorization.

101020021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101020021102 its reverse (201120020101), we get a palindrome (302140041203).

The spelling of 101020021102 in words is "one hundred one billion, twenty million, twenty-one thousand, one hundred two".