2122221121102 has 32 divisors (see below), whose sum is σ = 3389738471424. Its totient is φ = 994971621600.

The previous prime is 2122221121093. The next prime is 2122221121109. The reversal of 2122221121102 is 2011211222212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122221121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122221121109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3934198 + ... + 4440985.

It is an arithmetic number, because the mean of its divisors is an integer number (105929327232).

Almost surely, 2^{2122221121102} is an apocalyptic number.

2122221121102 is a deficient number, since it is larger than the sum of its proper divisors (1267517350322).

2122221121102 is a wasteful number, since it uses less digits than its factorization.

2122221121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8375344.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2122221121102 its reverse (2011211222212), we get a palindrome (4133432343314).

The spelling of 2122221121102 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred two".