2120121202002 has 64 divisors (see below), whose sum is σ = 4296842457600. Its totient is φ = 697345044480.

The previous prime is 2120121201983. The next prime is 2120121202049. The reversal of 2120121202002 is 2002021210212.

It is a super-2 number, since 2×2120121202002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135316173 + ... + 135331839.

It is an arithmetic number, because the mean of its divisors is an integer number (67138163400).

Almost surely, 2^{2120121202002} is an apocalyptic number.

2120121202002 is an abundant number, since it is smaller than the sum of its proper divisors (2176721255598).

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

2120121202002 is a wasteful number, since it uses less digits than its factorization.

2120121202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16791.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2120121202002 its reverse (2002021210212), we get a palindrome (4122142412214).

The spelling of 2120121202002 in words is "two trillion, one hundred twenty billion, one hundred twenty-one million, two hundred two thousand, two".