101010111221012 has 12 divisors (see below), whose sum is σ = 202020222442080. Its totient is φ = 43290047666136.

The previous prime is 101010111220901. The next prime is 101010111221051. The reversal of 101010111221012 is 210122111010101.

101010111221012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803751986062 + ... + 1803751986117.

It is an arithmetic number, because the mean of its divisors is an integer number (16835018536840).

Almost surely, 2^{101010111221012} is an apocalyptic number.

It is an amenable number.

101010111221012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

101010111221012 is a wasteful number, since it uses less digits than its factorization.

101010111221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607503972190 (or 3607503972188 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101010111221012 its reverse (210122111010101), we get a palindrome (311132222231113).

The spelling of 101010111221012 in words is "one hundred one trillion, ten billion, one hundred eleven million, two hundred twenty-one thousand, twelve".