2111020222212 has 120 divisors (see below), whose sum is σ = 6046840467360. Its totient is φ = 636884778240.

The previous prime is 2111020222153. The next prime is 2111020222273. The reversal of 2111020222212 is 2122220201112.

It is a happy number.

2111020222212 is a `hidden beast` number, since 211 + 1 + 0 + 20 + 222 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 495637 + ... + 2113692.

It is an arithmetic number, because the mean of its divisors is an integer number (50390337228).

Almost surely, 2^{2111020222212} is an apocalyptic number.

2111020222212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111020222212 is an abundant number, since it is smaller than the sum of its proper divisors (3935820245148).

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

2111020222212 is a wasteful number, since it uses less digits than its factorization.

2111020222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609583 (or 2609572 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2111020222212 its reverse (2122220201112), we get a palindrome (4233240423324).

The spelling of 2111020222212 in words is "two trillion, one hundred eleven billion, twenty million, two hundred twenty-two thousand, two hundred twelve".