2120021222002 has 32 divisors (see below), whose sum is σ = 3370055166000. Its totient is φ = 996779685888.

The previous prime is 2120021221999. The next prime is 2120021222027. The reversal of 2120021222002 is 2002221200212.

It can be written as a sum of positive squares in 8 ways, for example, as 321442507681 + 1798578714321 = 566959^2 + 1341111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235213648 + ... + 235222660.

Almost surely, 2^{2120021222002} is an apocalyptic number.

2120021222002 is a deficient number, since it is larger than the sum of its proper divisors (1250033943998).

2120021222002 is a wasteful number, since it uses less digits than its factorization.

2120021222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14350.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2120021222002 its reverse (2002221200212), we get a palindrome (4122242422214).

The spelling of 2120021222002 in words is "two trillion, one hundred twenty billion, twenty-one million, two hundred twenty-two thousand, two".