101221101102 has 32 divisors (see below), whose sum is σ = 221288688000. Its totient is φ = 30611581920.

The previous prime is 101221101077. The next prime is 101221101131. The reversal of 101221101102 is 201101122101.

It is a super-2 number, since 2×101221101102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503793 + ... + 1569660.

It is an arithmetic number, because the mean of its divisors is an integer number (6915271500).

Almost surely, 2^101221101102 is an apocalyptic number.

101221101102 is an abundant number, since it is smaller than the sum of its proper divisors (120067586898).

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

101221101102 is a wasteful number, since it uses less digits than its factorization.

101221101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073968.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101221101102 its reverse (201101122101), we get a palindrome (302322223203).

The spelling of 101221101102 in words is "one hundred one billion, two hundred twenty-one million, one hundred one thousand, one hundred two".