2102222121010 has 16 divisors (see below), whose sum is σ = 4127999801472. Its totient is φ = 764444407600.

The previous prime is 2102222121007. The next prime is 2102222121031. The reversal of 2102222121010 is 101212222012.

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, 9555554986 + ... + 9555555205.

It is an arithmetic number, because the mean of its divisors is an integer number (257999987592).

Almost surely, 2^{2102222121010} is an apocalyptic number.

2102222121010 is a deficient number, since it is larger than the sum of its proper divisors (2025777680462).

2102222121010 is a wasteful number, since it uses less digits than its factorization.

2102222121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19111110209.

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

Adding to 2102222121010 its reverse (101212222012), we get a palindrome (2203434343022).

The spelling of 2102222121010 in words is "two trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, ten".