211120221212020 has 24 divisors (see below), whose sum is σ = 443464791152544. Its totient is φ = 84426692940576.

The previous prime is 211120221211973. The next prime is 211120221212023. The reversal of 211120221212020 is 20212122021112.

It is a super-2 number, since 2×211120221212020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120221212023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337140602 + ... + 1337298481.

It is an arithmetic number, because the mean of its divisors is an integer number (18477699631356).

Almost surely, 2^{211120221212020} is an apocalyptic number.

211120221212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211120221212020 is an abundant number, since it is smaller than the sum of its proper divisors (232344569940524).

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

211120221212020 is a wasteful number, since it uses less digits than its factorization.

211120221212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674443039 (or 2674443037 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211120221212020 its reverse (20212122021112), we get a palindrome (231332343233132).

The spelling of 211120221212020 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twelve thousand, twenty".