202101101211020 has 48 divisors (see below), whose sum is σ = 463553748957600. Its totient is φ = 73402658910720.

The previous prime is 202101101211007. The next prime is 202101101211071. The reversal of 202101101211020 is 20112101101202.

It is a super-2 number, since 2×202101101211020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202101101210986 and 202101101211004.

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, 553883585 + ... + 554248344.

It is an arithmetic number, because the mean of its divisors is an integer number (9657369769950).

Almost surely, 2^{202101101211020} is an apocalyptic number.

202101101211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202101101211020 is an abundant number, since it is smaller than the sum of its proper divisors (261452647746580).

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

202101101211020 is a wasteful number, since it uses less digits than its factorization.

202101101211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108132778 (or 1108132776 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202101101211020 its reverse (20112101101202), we get a palindrome (222213202312222).

The spelling of 202101101211020 in words is "two hundred two trillion, one hundred one billion, one hundred one million, two hundred eleven thousand, twenty".