202101010221000 has 128 divisors (see below), whose sum is σ = 687878347628160. Its totient is φ = 48994184288000.

The previous prime is 202101010220999. The next prime is 202101010221001. The reversal of 202101010221000 is 122010101202.

It is an interprime number because it is at equal distance from previous prime (202101010220999) and next prime (202101010221001).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (202101010221001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3062103519 + ... + 3062169518.

It is an arithmetic number, because the mean of its divisors is an integer number (5374049590845).

Almost surely, 2^{202101010221000} is an apocalyptic number.

202101010221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202101010221000 is an abundant number, since it is smaller than the sum of its proper divisors (485777337407160).

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

202101010221000 is a wasteful number, since it uses less digits than its factorization.

202101010221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124273072 (or 6124273058 counting only the distinct ones).

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

Adding to 202101010221000 its reverse (122010101202), we get a palindrome (202223020322202).

The spelling of 202101010221000 in words is "two hundred two trillion, one hundred one billion, ten million, two hundred twenty-one thousand".