2021001102200 has 48 divisors (see below), whose sum is σ = 4704537335280. Its totient is φ = 807418114560.

The previous prime is 2021001102163. The next prime is 2021001102223. The reversal of 2021001102200 is 22011001202.

It is a happy number.

It is a super-2 number, since 2×2021001102200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5974529 + ... + 6303728.

It is an arithmetic number, because the mean of its divisors is an integer number (98011194485).

Almost surely, 2^{2021001102200} is an apocalyptic number.

2021001102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021001102200 is an abundant number, since it is smaller than the sum of its proper divisors (2683536233080).

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

2021001102200 is a wasteful number, since it uses less digits than its factorization.

2021001102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12279096 (or 12279087 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2021001102200 its reverse (22011001202), we get a palindrome (2043012103402).

The spelling of 2021001102200 in words is "two trillion, twenty-one billion, one million, one hundred two thousand, two hundred".