1012210020111 has 16 divisors (see below), whose sum is σ = 1382618119680. Its totient is φ = 658306380480.

The previous prime is 1012210020109. The next prime is 1012210020119. The reversal of 1012210020111 is 1110200122101.

It is not a de Polignac number, because 1012210020111 - 2¹ = 1012210020109 is a prime.

It is a super-2 number, since 2×1012210020111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012210020119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757866 + ... + 2261528.

It is an arithmetic number, because the mean of its divisors is an integer number (86413632480).

Almost surely, 2^{1012210020111} is an apocalyptic number.

1012210020111 is a deficient number, since it is larger than the sum of its proper divisors (370408099569).

1012210020111 is a wasteful number, since it uses less digits than its factorization.

1012210020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520046.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012210020111 its reverse (1110200122101), we get a palindrome (2122410142212).

The spelling of 1012210020111 in words is "one trillion, twelve billion, two hundred ten million, twenty thousand, one hundred eleven".