2121020101002 has 32 divisors (see below), whose sum is σ = 4637718638784. Its totient is φ = 641339139200.

The previous prime is 2121020100989. The next prime is 2121020101027. The reversal of 2121020101002 is 2001010201212.

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, 34824963 + ... + 34885814.

It is an arithmetic number, because the mean of its divisors is an integer number (144928707462).

Almost surely, 2^{2121020101002} is an apocalyptic number.

2121020101002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121020101002 is an abundant number, since it is smaller than the sum of its proper divisors (2516698537782).

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

2121020101002 is a wasteful number, since it uses less digits than its factorization.

2121020101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69711254.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2121020101002 its reverse (2001010201212), we get a palindrome (4122030302214).

The spelling of 2121020101002 in words is "two trillion, one hundred twenty-one billion, twenty million, one hundred one thousand, two".