10202212122111 has 12 divisors (see below), whose sum is σ = 14978111058040. Its totient is φ = 6689975161680.

The previous prime is 10202212122103. The next prime is 10202212122119. The reversal of 10202212122111 is 11122121220201.

10202212122111 is a `hidden beast` number, since 1 + 0 + 20 + 221 + 212 + 211 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (10202212122103) and next prime (10202212122119).

It is not a de Polignac number, because 10202212122111 - 2³ = 10202212122103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202212122119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9291631621 + ... + 9291632718.

Almost surely, 2^{10202212122111} is an apocalyptic number.

10202212122111 is a deficient number, since it is larger than the sum of its proper divisors (4775898935929).

10202212122111 is a wasteful number, since it uses less digits than its factorization.

10202212122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18583264406 (or 18583264403 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10202212122111 its reverse (11122121220201), we get a palindrome (21324333342312).

The spelling of 10202212122111 in words is "ten trillion, two hundred two billion, two hundred twelve million, one hundred twenty-two thousand, one hundred eleven".