210122100201020 has 48 divisors (see below), whose sum is σ = 504341538355200. Its totient is φ = 72034934658624.

The previous prime is 210122100201007. The next prime is 210122100201043. The reversal of 210122100201020 is 20102001221012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 210122100200986 and 210122100201004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70708394 + ... + 73620113.

It is an arithmetic number, because the mean of its divisors is an integer number (10507115382400).

Almost surely, 2^{210122100201020} is an apocalyptic number.

210122100201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122100201020 is an abundant number, since it is smaller than the sum of its proper divisors (294219438154180).

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

210122100201020 is a wasteful number, since it uses less digits than its factorization.

210122100201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144338922 (or 144338920 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210122100201020 its reverse (20102001221012), we get a palindrome (230224101422032).

The spelling of 210122100201020 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred million, two hundred one thousand, twenty".