122100210201020 has 24 divisors (see below), whose sum is σ = 256411371787200. Its totient is φ = 48839906868032.

The previous prime is 122100210200999. The next prime is 122100210201049. The reversal of 122100210201020 is 20102012001221.

It is a super-2 number, since 2×122100210201020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122100210200986 and 122100210201004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5353835 + ... + 16518594.

It is an arithmetic number, because the mean of its divisors is an integer number (10683807157800).

Almost surely, 2^{122100210201020} is an apocalyptic number.

122100210201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100210201020 is an abundant number, since it is smaller than the sum of its proper divisors (134311161586180).

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

122100210201020 is a wasteful number, since it uses less digits than its factorization.

122100210201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22151557 (or 22151555 counting only the distinct ones).

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

Adding to 122100210201020 its reverse (20102012001221), we get a palindrome (142202222202241).

The spelling of 122100210201020 in words is "one hundred twenty-two trillion, one hundred billion, two hundred ten million, two hundred one thousand, twenty".