101002121106 has 32 divisors (see below), whose sum is σ = 204943851648. Its totient is φ = 33177876480.

The previous prime is 101002121039. The next prime is 101002121107. The reversal of 101002121106 is 601121200101.

It is a happy number.

It is a super-2 number, since 2×101002121106² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101002121107) 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, 889170 + ... + 996306.

It is an arithmetic number, because the mean of its divisors is an integer number (6404495364).

Almost surely, 2^101002121106 is an apocalyptic number.

101002121106 is an abundant number, since it is smaller than the sum of its proper divisors (103941730542).

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

101002121106 is a wasteful number, since it uses less digits than its factorization.

101002121106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109426.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101002121106 its reverse (601121200101), we get a palindrome (702123321207).

The spelling of 101002121106 in words is "one hundred one billion, two million, one hundred twenty-one thousand, one hundred six".