2211101121212 has 12 divisors (see below), whose sum is σ = 4097040312960. Its totient is φ = 1040518174656.

The previous prime is 2211101121169. The next prime is 2211101121227. The reversal of 2211101121212 is 2121211011122.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16258096412 + ... + 16258096547.

It is an arithmetic number, because the mean of its divisors is an integer number (341420026080).

Almost surely, 2^{2211101121212} is an apocalyptic number.

It is an amenable number.

2211101121212 is a deficient number, since it is larger than the sum of its proper divisors (1885939191748).

2211101121212 is a wasteful number, since it uses less digits than its factorization.

2211101121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32516192980 (or 32516192978 counting only the distinct ones).

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

Adding to 2211101121212 its reverse (2121211011122), we get a palindrome (4332312132334).

The spelling of 2211101121212 in words is "two trillion, two hundred eleven billion, one hundred one million, one hundred twenty-one thousand, two hundred twelve".