1022111111210 has 32 divisors (see below), whose sum is σ = 2102689625472. Its totient is φ = 350427919680.

The previous prime is 1022111111117. The next prime is 1022111111227. The reversal of 1022111111210 is 121111112201.

It is a super-2 number, since 2×1022111111210² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

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, 2453684 + ... + 2839856.

It is an arithmetic number, because the mean of its divisors is an integer number (65709050796).

Almost surely, 2^{1022111111210} is an apocalyptic number.

1022111111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022111111210 is an abundant number, since it is smaller than the sum of its proper divisors (1080578514262).

1022111111210 is a wasteful number, since it uses less digits than its factorization.

1022111111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423998.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1022111111210 its reverse (121111112201), we get a palindrome (1143222223411).

Subtracting from 1022111111210 its reverse (121111112201), we obtain a palindrome (900999999009).

The spelling of 1022111111210 in words is "one trillion, twenty-two billion, one hundred eleven million, one hundred eleven thousand, two hundred ten".