2121111002212 has 12 divisors (see below), whose sum is σ = 3711987729520. Its totient is φ = 1060543079496.

The previous prime is 2121111002161. The next prime is 2121111002233. The reversal of 2121111002212 is 2122001111212.

It is a super-2 number, since 2×2121111002212² (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 3 ways as a sum of consecutive naturals, for example, 2715762 + ... + 3408457.

Almost surely, 2^{2121111002212} is an apocalyptic number.

It is an amenable number.

2121111002212 is a deficient number, since it is larger than the sum of its proper divisors (1590876727308).

2121111002212 is a wasteful number, since it uses less digits than its factorization.

2121111002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210810 (or 6210808 counting only the distinct ones).

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

Adding to 2121111002212 its reverse (2122001111212), we get a palindrome (4243112113424).

The spelling of 2121111002212 in words is "two trillion, one hundred twenty-one billion, one hundred eleven million, two thousand, two hundred twelve".