122211222020010 has 24 divisors (see below), whose sum is σ = 317749177252260. Its totient is φ = 32589659205312.

The previous prime is 122211222020009. The next prime is 122211222020029. The reversal of 122211222020010 is 10020222112221.

It is a happy number.

122211222020010 is a `hidden beast` number, since 1 + 2 + 221 + 12 + 220 + 200 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 113497467083361 + 8713754936649 = 10653519^2 + 2951907^2 .

It is a super-3 number, since 3×122211222020010³ (a number of 43 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678951233355 + ... + 678951233534.

Almost surely, 2^{122211222020010} is an apocalyptic number.

122211222020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122211222020010 is an abundant number, since it is smaller than the sum of its proper divisors (195537955232250).

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

122211222020010 is a wasteful number, since it uses less digits than its factorization.

122211222020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357902466902 (or 1357902466899 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122211222020010 its reverse (10020222112221), we get a palindrome (132231444132231).

The spelling of 122211222020010 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred twenty-two million, twenty thousand, ten".