2102022111220 has 48 divisors (see below), whose sum is σ = 4455903674880. Its totient is φ = 832875553664.

The previous prime is 2102022111181. The next prime is 2102022111269. The reversal of 2102022111220 is 221112202012.

It is a happy number.

It is a super-3 number, since 3×2102022111220³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102022111194 and 2102022111203.

It is a congruent number.

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, 27694362 + ... + 27770158.

It is an arithmetic number, because the mean of its divisors is an integer number (92831326560).

Almost surely, 2^{2102022111220} is an apocalyptic number.

2102022111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102022111220 is an abundant number, since it is smaller than the sum of its proper divisors (2353881563660).

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

2102022111220 is a wasteful number, since it uses less digits than its factorization.

2102022111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88872 (or 88870 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102022111220 its reverse (221112202012), we get a palindrome (2323134313232).

The spelling of 2102022111220 in words is "two trillion, one hundred two billion, twenty-two million, one hundred eleven thousand, two hundred twenty".