101220220111002 has 64 divisors (see below), whose sum is σ = 205251455692800. Its totient is φ = 33274596035520.

The previous prime is 101220220110991. The next prime is 101220220111061. The reversal of 101220220111002 is 200111022022101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326055477 + ... + 326365767.

It is an arithmetic number, because the mean of its divisors is an integer number (3207053995200).

Almost surely, 2^{101220220111002} is an apocalyptic number.

101220220111002 is an abundant number, since it is smaller than the sum of its proper divisors (104031235581798).

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

101220220111002 is a wasteful number, since it uses less digits than its factorization.

101220220111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312731.

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

Adding to 101220220111002 its reverse (200111022022101), we get a palindrome (301331242133103).

The spelling of 101220220111002 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty million, one hundred eleven thousand, two".