101221202122212 has 12 divisors (see below), whose sum is σ = 236182804951856. Its totient is φ = 33740400707400.

The previous prime is 101221202122199. The next prime is 101221202122273. The reversal of 101221202122212 is 212221202122101.

It is a tau number, because it is divible by the number of its divisors (12).

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, 4217550088414 + ... + 4217550088437.

Almost surely, 2^{101221202122212} is an apocalyptic number.

101221202122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101221202122212 is an abundant number, since it is smaller than the sum of its proper divisors (134961602829644).

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

101221202122212 is a wasteful number, since it uses less digits than its factorization.

101221202122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8435100176858 (or 8435100176856 counting only the distinct ones).

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

Adding to 101221202122212 its reverse (212221202122101), we get a palindrome (313442404244313).

The spelling of 101221202122212 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred two million, one hundred twenty-two thousand, two hundred twelve".