101220100022212 has 48 divisors (see below), whose sum is σ = 185201191773360. Its totient is φ = 48343141711872.

The previous prime is 101220100022179. The next prime is 101220100022243. The reversal of 101220100022212 is 212220001022101.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 583610435136 + 100636489587076 = 763944^2 + 10031774^2 .

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, 28631428 + ... + 31971844.

It is an arithmetic number, because the mean of its divisors is an integer number (3858358161945).

Almost surely, 2^{101220100022212} is an apocalyptic number.

It is an amenable number.

101220100022212 is a deficient number, since it is larger than the sum of its proper divisors (83981091751148).

101220100022212 is a wasteful number, since it uses less digits than its factorization.

101220100022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343240 (or 3343238 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101220100022212 its reverse (212220001022101), we get a palindrome (313440101044313).

The spelling of 101220100022212 in words is "one hundred one trillion, two hundred twenty billion, one hundred million, twenty-two thousand, two hundred twelve".