2111202212212 has 24 divisors (see below), whose sum is σ = 3764499411456. Its totient is φ = 1035632920608.

The previous prime is 2111202212209. The next prime is 2111202212269. The reversal of 2111202212212 is 2122122021112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111202212212.

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, 4246813 + ... + 4717819.

It is an arithmetic number, because the mean of its divisors is an integer number (156854142144).

Almost surely, 2^{2111202212212} is an apocalyptic number.

It is an amenable number.

2111202212212 is a deficient number, since it is larger than the sum of its proper divisors (1653297199244).

2111202212212 is a wasteful number, since it uses less digits than its factorization.

2111202212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492207 (or 492205 counting only the distinct ones).

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

Adding to 2111202212212 its reverse (2122122021112), we get a palindrome (4233324233324).

The spelling of 2111202212212 in words is "two trillion, one hundred eleven billion, two hundred two million, two hundred twelve thousand, two hundred twelve".