21220122102212 has 48 divisors (see below), whose sum is σ = 42273943286400. Its totient is φ = 9225824213760.

The previous prime is 21220122102173. The next prime is 21220122102227.

21220122102212 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30531464 + ... + 31218752.

It is an arithmetic number, because the mean of its divisors is an integer number (880707151800).

Almost surely, 2^{21220122102212} is an apocalyptic number.

21220122102212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21220122102212 is a deficient number, since it is larger than the sum of its proper divisors (21053821184188).

21220122102212 is a wasteful number, since it uses less digits than its factorization.

21220122102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717836 (or 717834 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 2122012 and 2102212, that added together give a palindrome (4224224).

The spelling of 21220122102212 in words is "twenty-one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred two thousand, two hundred twelve".