100210202121020 has 96 divisors (see below), whose sum is σ = 213719258979072. Its totient is φ = 39464755200000.

The previous prime is 100210202121011. The next prime is 100210202121047. The reversal of 100210202121020 is 20121202012001.

It is a junction number, because it is equal to n+sod(n) for n = 100210202120986 and 100210202121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285030140 + ... + 285381500.

It is an arithmetic number, because the mean of its divisors is an integer number (2226242281032).

Almost surely, 2^{100210202121020} is an apocalyptic number.

100210202121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100210202121020 is an abundant number, since it is smaller than the sum of its proper divisors (113509056858052).

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

100210202121020 is a wasteful number, since it uses less digits than its factorization.

100210202121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352263 (or 352261 counting only the distinct ones).

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

Adding to 100210202121020 its reverse (20121202012001), we get a palindrome (120331404133021).

The spelling of 100210202121020 in words is "one hundred trillion, two hundred ten billion, two hundred two million, one hundred twenty-one thousand, twenty".