2111122414420 has 24 divisors (see below), whose sum is σ = 4465717346664. Its totient is φ = 838285103616.

The previous prime is 2111122414397. The next prime is 2111122414433. The reversal of 2111122414420 is 244142211112.

It can be written as a sum of positive squares in 4 ways, for example, as 255473637136 + 1855648777284 = 505444^2 + 1362222^2 .

It is a congruent number.

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, 385238577 + ... + 385244056.

It is an arithmetic number, because the mean of its divisors is an integer number (186071556111).

Almost surely, 2^{2111122414420} is an apocalyptic number.

2111122414420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111122414420 is an abundant number, since it is smaller than the sum of its proper divisors (2354594932244).

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

2111122414420 is a wasteful number, since it uses less digits than its factorization.

2111122414420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770482779 (or 770482777 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 2111122414420 its reverse (244142211112), we get a palindrome (2355264625532).

The spelling of 2111122414420 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, four hundred fourteen thousand, four hundred twenty".