220121201220010 has 16 divisors (see below), whose sum is σ = 396244856403936. Its totient is φ = 88042548441808.

The previous prime is 220121201219993. The next prime is 220121201220097. The reversal of 220121201220010 is 10022102121022.

It is a happy number.

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, 741349924 + ... + 741646783.

It is an arithmetic number, because the mean of its divisors is an integer number (24765303525246).

Almost surely, 2^{220121201220010} is an apocalyptic number.

220121201220010 is a deficient number, since it is larger than the sum of its proper divisors (176123655183926).

220121201220010 is a wasteful number, since it uses less digits than its factorization.

220121201220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483011557.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220121201220010 its reverse (10022102121022), we get a palindrome (230143303341032).

The spelling of 220121201220010 in words is "two hundred twenty trillion, one hundred twenty-one billion, two hundred one million, two hundred twenty thousand, ten".