101222112000021 has 16 divisors (see below), whose sum is σ = 134977433783808. Its totient is φ = 67474099569600.

The previous prime is 101222111999971. The next prime is 101222112000047. The reversal of 101222112000021 is 120000211222101.

It is not a de Polignac number, because 101222112000021 - 2¹⁵ = 101222111967253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222112000091) 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, 1443705756 + ... + 1443775866.

It is an arithmetic number, because the mean of its divisors is an integer number (8436089611488).

Almost surely, 2^{101222112000021} is an apocalyptic number.

It is an amenable number.

101222112000021 is a deficient number, since it is larger than the sum of its proper divisors (33755321783787).

101222112000021 is a wasteful number, since it uses less digits than its factorization.

101222112000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115372.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101222112000021 its reverse (120000211222101), we get a palindrome (221222323222122).

The spelling of 101222112000021 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twelve million, twenty-one", and thus it is an aban number.