202111000212 has 48 divisors (see below), whose sum is σ = 519558105024. Its totient is φ = 60639360000.

The previous prime is 202111000211. The next prime is 202111000213. The reversal of 202111000212 is 212000111202.

It is an interprime number because it is at equal distance from previous prime (202111000211) and next prime (202111000213).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111000211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7566589 + ... + 7593252.

It is an arithmetic number, because the mean of its divisors is an integer number (10824127188).

Almost surely, 2^202111000212 is an apocalyptic number.

202111000212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202111000212 is an abundant number, since it is smaller than the sum of its proper divisors (317447104812).

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

202111000212 is a wasteful number, since it uses less digits than its factorization.

202111000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15159960 (or 15159958 counting only the distinct ones).

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

Adding to 202111000212 its reverse (212000111202), we get a palindrome (414111111414).

The spelling of 202111000212 in words is "two hundred two billion, one hundred eleven million, two hundred twelve", and thus it is an aban number.