2211212111012 has 48 divisors (see below), whose sum is σ = 3944926997760. Its totient is φ = 1084247616672.

The previous prime is 2211212110997. The next prime is 2211212111183. The reversal of 2211212111012 is 2101112121122.

It is a super-2 number, since 2×2211212111012² (a number of 25 digits) contains 22 as substring.

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, 59777939 + ... + 59814917.

It is an arithmetic number, because the mean of its divisors is an integer number (82185979120).

Almost surely, 2^{2211212111012} is an apocalyptic number.

It is an amenable number.

2211212111012 is a deficient number, since it is larger than the sum of its proper divisors (1733714886748).

2211212111012 is a wasteful number, since it uses less digits than its factorization.

2211212111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38040 (or 38038 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2211212111012 its reverse (2101112121122), we get a palindrome (4312324232134).

It can be divided in two parts, 22112121110 and 12, that added together give a palindrome (22112121122).

The spelling of 2211212111012 in words is "two trillion, two hundred eleven billion, two hundred twelve million, one hundred eleven thousand, twelve".