2021001212202 has 64 divisors (see below), whose sum is σ = 4743729811200. Its totient is φ = 573750934848.

The previous prime is 2021001212143. The next prime is 2021001212239. The reversal of 2021001212202 is 2022121001202.

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, 2804353 + ... + 3450564.

It is an arithmetic number, because the mean of its divisors is an integer number (74120778300).

Almost surely, 2^{2021001212202} is an apocalyptic number.

2021001212202 is an abundant number, since it is smaller than the sum of its proper divisors (2722728598998).

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

2021001212202 is a wasteful number, since it uses less digits than its factorization.

2021001212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255100 (or 6255086 counting only the distinct ones).

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

Adding to 2021001212202 its reverse (2022121001202), we get a palindrome (4043122213404).

The spelling of 2021001212202 in words is "two trillion, twenty-one billion, one million, two hundred twelve thousand, two hundred two".