2220121202110 has 64 divisors (see below), whose sum is σ = 4850370201600. Its totient is φ = 714244354560.

The previous prime is 2220121202083. The next prime is 2220121202149. The reversal of 2220121202110 is 112021210222.

It is a happy number.

It is a congruent number.

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, 2424310 + ... + 3212089.

It is an arithmetic number, because the mean of its divisors is an integer number (75787034400).

Almost surely, 2^{2220121202110} is an apocalyptic number.

2220121202110 is an abundant number, since it is smaller than the sum of its proper divisors (2630248999490).

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

2220121202110 is a wasteful number, since it uses less digits than its factorization.

2220121202110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636761.

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

Adding to 2220121202110 its reverse (112021210222), we get a palindrome (2332142412332).

The spelling of 2220121202110 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred two thousand, one hundred ten".