212220101011122 has 48 divisors (see below), whose sum is σ = 476913141251352. Its totient is φ = 68146674105600.

The previous prime is 212220101011091. The next prime is 212220101011133. The reversal of 212220101011122 is 221110101022212.

212220101011122 is a `hidden beast` number, since 212 + 220 + 10 + 101 + 1 + 122 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 211502368420641 + 717732590481 = 14543121^2 + 847191^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212220101011095 and 212220101011104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1577402043 + ... + 1577536574.

Almost surely, 2^{212220101011122} is an apocalyptic number.

212220101011122 is an abundant number, since it is smaller than the sum of its proper divisors (264693040240230).

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

212220101011122 is a wasteful number, since it uses less digits than its factorization.

212220101011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154938763 (or 3154938760 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212220101011122 its reverse (221110101022212), we get a palindrome (433330202033334).

The spelling of 212220101011122 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred one million, eleven thousand, one hundred twenty-two".