101221021222212 has 96 divisors (see below), whose sum is σ = 242801793561600. Its totient is φ = 32796494220672.

The previous prime is 101221021222199. The next prime is 101221021222231. The reversal of 101221021222212 is 212222120122101.

It is a super-4 number, since 4×101221021222212⁴ (a number of 57 digits) contains 4444 as substring.

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, 5223222739 + ... + 5223242117.

It is an arithmetic number, because the mean of its divisors is an integer number (2529185349600).

Almost surely, 2^{101221021222212} is an apocalyptic number.

101221021222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101221021222212 is an abundant number, since it is smaller than the sum of its proper divisors (141580772339388).

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

101221021222212 is a wasteful number, since it uses less digits than its factorization.

101221021222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30265 (or 30263 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 101221021222212 its reverse (212222120122101), we get a palindrome (313443141344313).

The spelling of 101221021222212 in words is "one hundred one trillion, two hundred twenty-one billion, twenty-one million, two hundred twenty-two thousand, two hundred twelve".