101220221122012 has 24 divisors (see below), whose sum is σ = 188797202485920. Its totient is φ = 47317594598400.

The previous prime is 101220221122001. The next prime is 101220221122061. The reversal of 101220221122012 is 210221122022101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4928905837 + ... + 4928926372.

It is an arithmetic number, because the mean of its divisors is an integer number (7866550103580).

Almost surely, 2^{101220221122012} is an apocalyptic number.

It is an amenable number.

101220221122012 is a deficient number, since it is larger than the sum of its proper divisors (87576981363908).

101220221122012 is a wasteful number, since it uses less digits than its factorization.

101220221122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9857832381 (or 9857832379 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101220221122012 its reverse (210221122022101), we get a palindrome (311441343144113).

The spelling of 101220221122012 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, twelve".