1121220020210 has 16 divisors (see below), whose sum is σ = 2018456487576. Its totient is φ = 448430130048.

The previous prime is 1121220020177. The next prime is 1121220020227. The reversal of 1121220020210 is 120200221211.

It can be written as a sum of positive squares in 4 ways, for example, as 1109101753321 + 12118266889 = 1053139^2 + 110083^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7153349 + ... + 7308408.

Almost surely, 2^{1121220020210} is an apocalyptic number.

1121220020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121220020210 is a deficient number, since it is larger than the sum of its proper divisors (897236467366).

1121220020210 is a wasteful number, since it uses less digits than its factorization.

1121220020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14469517.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1121220020210 its reverse (120200221211), we get a palindrome (1241420241421).

The spelling of 1121220020210 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, twenty thousand, two hundred ten".