2102022111212 has 24 divisors (see below), whose sum is σ = 3688271338752. Its totient is φ = 1048232470400.

The previous prime is 2102022111181. The next prime is 2102022111269. The reversal of 2102022111212 is 2121112202012.

It is a super-3 number, since 3×2102022111212³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 3622688 + ... + 4162680.

It is an arithmetic number, because the mean of its divisors is an integer number (153677972448).

Almost surely, 2^{2102022111212} is an apocalyptic number.

It is an amenable number.

2102022111212 is a deficient number, since it is larger than the sum of its proper divisors (1586249227540).

2102022111212 is a wasteful number, since it uses less digits than its factorization.

2102022111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542569 (or 542567 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2102022111212 its reverse (2121112202012), we get a palindrome (4223134313224).

The spelling of 2102022111212 in words is "two trillion, one hundred two billion, twenty-two million, one hundred eleven thousand, two hundred twelve".