1022100121010 has 64 divisors (see below), whose sum is σ = 1952431908192. Its totient is φ = 383916589056.

The previous prime is 1022100120997. The next prime is 1022100121039. The reversal of 1022100121010 is 101210012201.

It can be written as a sum of positive squares in 16 ways, for example, as 11835916849 + 1010264204161 = 108793^2 + 1005119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022100120982 and 1022100121000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297726254 + ... + 297729686.

Almost surely, 2^{1022100121010} is an apocalyptic number.

1022100121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022100121010 is a deficient number, since it is larger than the sum of its proper divisors (930331787182).

1022100121010 is a wasteful number, since it uses less digits than its factorization.

1022100121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6927.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1022100121010 its reverse (101210012201), we get a palindrome (1123310133211).

The spelling of 1022100121010 in words is "one trillion, twenty-two billion, one hundred million, one hundred twenty-one thousand, ten".