1210122221120 has 56 divisors (see below), whose sum is σ = 2886304828344. Its totient is φ = 483259170816.

The previous prime is 1210122221101. The next prime is 1210122221159. The reversal of 1210122221120 is 211222210121.

It can be written as a sum of positive squares in 4 ways, for example, as 7976633344 + 1202145587776 = 89312^2 + 1096424^2 .

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, 2888369 + ... + 3280688.

It is an arithmetic number, because the mean of its divisors is an integer number (51541157649).

Almost surely, 2^{1210122221120} is an apocalyptic number.

1210122221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210122221120 is an abundant number, since it is smaller than the sum of its proper divisors (1676182607224).

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

1210122221120 is an equidigital number, since it uses as much as digits as its factorization.

1210122221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169687 (or 6169677 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1210122221120 its reverse (211222210121), we get a palindrome (1421344431241).

The spelling of 1210122221120 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty".