2121012202000 has 160 divisors (see below), whose sum is σ = 5147486682624. Its totient is φ = 845287808000.

The previous prime is 2121012201989. The next prime is 2121012202073. The reversal of 2121012202000 is 2022101212.

It is a happy number.

It is a super-2 number, since 2×2121012202000² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 945612879 + ... + 945615121.

Almost surely, 2^{2121012202000} is an apocalyptic number.

2121012202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2121012202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2573743341312).

2121012202000 is an abundant number, since it is smaller than the sum of its proper divisors (3026474480624).

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

2121012202000 is a wasteful number, since it uses less digits than its factorization.

2121012202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2121012202000 its reverse (2022101212), we get a palindrome (2123034303212).

The spelling of 2121012202000 in words is "two trillion, one hundred twenty-one billion, twelve million, two hundred two thousand".