2111220110212 has 6 divisors (see below), whose sum is σ = 3694635192878. Its totient is φ = 1055610055104.

The previous prime is 2111220110177. The next prime is 2111220110273. The reversal of 2111220110212 is 2120110221112.

It can be written as a sum of positive squares in only one way, i.e., 1753013072196 + 358207038016 = 1324014^2 + 598504^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263902513773 + ... + 263902513780.

Almost surely, 2^{2111220110212} is an apocalyptic number.

It is an amenable number.

2111220110212 is a deficient number, since it is larger than the sum of its proper divisors (1583415082666).

2111220110212 is a wasteful number, since it uses less digits than its factorization.

2111220110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527805027557 (or 527805027555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111220110212 its reverse (2120110221112), we get a palindrome (4231330331324).

The spelling of 2111220110212 in words is "two trillion, one hundred eleven billion, two hundred twenty million, one hundred ten thousand, two hundred twelve".