202120001112 has 32 divisors (see below), whose sum is σ = 505814100480. Its totient is φ = 67304787360.

The previous prime is 202120001107. The next prime is 202120001117. The reversal of 202120001112 is 211100021202.

It is an interprime number because it is at equal distance from previous prime (202120001107) and next prime (202120001117).

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 (202120001117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4260064 + ... + 4307247.

It is an arithmetic number, because the mean of its divisors is an integer number (15806690640).

Almost surely, 2^202120001112 is an apocalyptic number.

It is an amenable number.

202120001112 is an abundant number, since it is smaller than the sum of its proper divisors (303694099368).

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

202120001112 is a wasteful number, since it uses less digits than its factorization.

202120001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568303 (or 8568299 counting only the distinct ones).

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

Adding to 202120001112 its reverse (211100021202), we get a palindrome (413220022314).

The spelling of 202120001112 in words is "two hundred two billion, one hundred twenty million, one thousand, one hundred twelve".