101222201000021 has 16 divisors (see below), whose sum is σ = 108576691099200. Its totient is φ = 94070965966848.

The previous prime is 101222200999991. The next prime is 101222201000051. The reversal of 101222201000021 is 120000102222101.

It is an interprime number because it is at equal distance from previous prime (101222200999991) and next prime (101222201000051).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101222201000021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222201000051) 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, 1123151 + ... + 14272556.

It is an arithmetic number, because the mean of its divisors is an integer number (6786043193700).

Almost surely, 2^{101222201000021} is an apocalyptic number.

It is an amenable number.

101222201000021 is a deficient number, since it is larger than the sum of its proper divisors (7354490099179).

101222201000021 is a wasteful number, since it uses less digits than its factorization.

101222201000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15402308.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101222201000021 its reverse (120000102222101), we get a palindrome (221222303222122).

The spelling of 101222201000021 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred one million, twenty-one", and thus it is an aban number.