2111210211020 has 12 divisors (see below), whose sum is σ = 4433541443184. Its totient is φ = 844484084400.

The previous prime is 2111210211001. The next prime is 2111210211037. The reversal of 2111210211020 is 201120121112.

It is a super-2 number, since 2×2111210211020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111210210986 and 2111210211004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52780255256 + ... + 52780255295.

It is an arithmetic number, because the mean of its divisors is an integer number (369461786932).

Almost surely, 2^{2111210211020} is an apocalyptic number.

2111210211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111210211020 is an abundant number, since it is smaller than the sum of its proper divisors (2322331232164).

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

2111210211020 is a wasteful number, since it uses less digits than its factorization.

2111210211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105560510560 (or 105560510558 counting only the distinct ones).

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

Adding to 2111210211020 its reverse (201120121112), we get a palindrome (2312330332132).

The spelling of 2111210211020 in words is "two trillion, one hundred eleven billion, two hundred ten million, two hundred eleven thousand, twenty".