1210212111022 has 16 divisors (see below), whose sum is σ = 1849740030432. Its totient is φ = 593634206880.

The previous prime is 1210212111013. The next prime is 1210212111023. The reversal of 1210212111022 is 2201112120121.

It is a super-2 number, since 2×1210212111022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210212110987 and 1210212111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210212111023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640447 + ... + 1682437.

It is an arithmetic number, because the mean of its divisors is an integer number (115608751902).

Almost surely, 2^{1210212111022} is an apocalyptic number.

1210212111022 is a deficient number, since it is larger than the sum of its proper divisors (639527919410).

1210212111022 is a wasteful number, since it uses less digits than its factorization.

1210212111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053003.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1210212111022 its reverse (2201112120121), we get a palindrome (3411324231143).

Subtracting 1210212111022 from its reverse (2201112120121), we obtain a palindrome (990900009099).

The spelling of 1210212111022 in words is "one trillion, two hundred ten billion, two hundred twelve million, one hundred eleven thousand, twenty-two".