210122112001020 has 24 divisors (see below), whose sum is σ = 588341913603024. Its totient is φ = 56032563200256.

The previous prime is 210122112000991. The next prime is 210122112001027. The reversal of 210122112001020 is 20100211221012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122112001027) 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, 1751017599949 + ... + 1751017600068.

It is an arithmetic number, because the mean of its divisors is an integer number (24514246400126).

Almost surely, 2^{210122112001020} is an apocalyptic number.

210122112001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122112001020 is an abundant number, since it is smaller than the sum of its proper divisors (378219801602004).

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

210122112001020 is a wasteful number, since it uses less digits than its factorization.

210122112001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502035200029 (or 3502035200027 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210122112001020 its reverse (20100211221012), we get a palindrome (230222323222032).

The spelling of 210122112001020 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred twelve million, one thousand, twenty".