2120102121022 has 16 divisors (see below), whose sum is σ = 3194921800512. Its totient is φ = 1055131378560.

The previous prime is 2120102121017. The next prime is 2120102121023. The reversal of 2120102121022 is 2201212010212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120102120987 and 2120102121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120102121023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535147 + ... + 2127577.

It is an arithmetic number, because the mean of its divisors is an integer number (199682612532).

Almost surely, 2^{2120102121022} is an apocalyptic number.

2120102121022 is a deficient number, since it is larger than the sum of its proper divisors (1074819679490).

2120102121022 is a wasteful number, since it uses less digits than its factorization.

2120102121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595523.

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

Adding to 2120102121022 its reverse (2201212010212), we get a palindrome (4321314131234).

The spelling of 2120102121022 in words is "two trillion, one hundred twenty billion, one hundred two million, one hundred twenty-one thousand, twenty-two".