101210212011111 has 24 divisors (see below), whose sum is σ = 157537748907504. Its totient is φ = 57628590445440.

The previous prime is 101210212011101. The next prime is 101210212011113. The reversal of 101210212011111 is 111110212012101.

It is not a de Polignac number, because 101210212011111 - 2²² = 101210207816807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210212011113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1225056280 + ... + 1225138893.

It is an arithmetic number, because the mean of its divisors is an integer number (6564072871146).

Almost surely, 2^{101210212011111} is an apocalyptic number.

101210212011111 is a deficient number, since it is larger than the sum of its proper divisors (56327536896393).

101210212011111 is a wasteful number, since it uses less digits than its factorization.

101210212011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450195471 (or 2450195464 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 101210212011111 its reverse (111110212012101), we get a palindrome (212320424023212).

The spelling of 101210212011111 in words is "one hundred one trillion, two hundred ten billion, two hundred twelve million, eleven thousand, one hundred eleven".