2220121111010 has 64 divisors (see below), whose sum is σ = 4410196844544. Its totient is φ = 797964523200.

The previous prime is 2220121111009. The next prime is 2220121111037. The reversal of 2220121111010 is 101111210222.

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, 5001215 + ... + 5427005.

It is an arithmetic number, because the mean of its divisors is an integer number (68909325696).

Almost surely, 2^{2220121111010} is an apocalyptic number.

2220121111010 is a deficient number, since it is larger than the sum of its proper divisors (2190075733534).

2220121111010 is a wasteful number, since it uses less digits than its factorization.

2220121111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426359.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2220121111010 its reverse (101111210222), we get a palindrome (2321232321232).

The spelling of 2220121111010 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, ten".