210202212111020 has 24 divisors (see below), whose sum is σ = 452191100201568. Its totient is φ = 82030131555200.

The previous prime is 210202212111013. The next prime is 210202212111077. The reversal of 210202212111020 is 20111212202012.

210202212111020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×210202212111020³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210202212111020.

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, 128172079736 + ... + 128172081375.

It is an arithmetic number, because the mean of its divisors is an integer number (18841295841732).

Almost surely, 2^{210202212111020} is an apocalyptic number.

210202212111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210202212111020 is an abundant number, since it is smaller than the sum of its proper divisors (241988888090548).

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

210202212111020 is a wasteful number, since it uses less digits than its factorization.

210202212111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256344161161 (or 256344161159 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210202212111020 its reverse (20111212202012), we get a palindrome (230313424313032).

The spelling of 210202212111020 in words is "two hundred ten trillion, two hundred two billion, two hundred twelve million, one hundred eleven thousand, twenty".