120121202210 has 16 divisors (see below), whose sum is σ = 216223383096. Its totient is φ = 48047321088.

The previous prime is 120121202197. The next prime is 120121202269. The reversal of 120121202210 is 12202121021.

It can be written as a sum of positive squares in 4 ways, for example, as 120112844329 + 8357881 = 346573^2 + 2891^2 .

It is an unprimeable number.

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, 380834 + ... + 620706.

Almost surely, 2^120121202210 is an apocalyptic number.

120121202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121202210 is a deficient number, since it is larger than the sum of its proper divisors (96102180886).

120121202210 is a wasteful number, since it uses less digits than its factorization.

120121202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289957.

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

Adding to 120121202210 its reverse (12202121021), we get a palindrome (132323323231).

The spelling of 120121202210 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred two thousand, two hundred ten".