202012010211111 has 32 divisors (see below), whose sum is σ = 292151245030848. Its totient is φ = 123660309749760.

The previous prime is 202012010211107. The next prime is 202012010211241. The reversal of 202012010211111 is 111112010210202.

It is a happy number.

It is not a de Polignac number, because 202012010211111 - 2² = 202012010211107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012010211911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 622146475 + ... + 622471091.

It is an arithmetic number, because the mean of its divisors is an integer number (9129726407214).

Almost surely, 2^{202012010211111} is an apocalyptic number.

202012010211111 is a deficient number, since it is larger than the sum of its proper divisors (90139234819737).

202012010211111 is a wasteful number, since it uses less digits than its factorization.

202012010211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622291.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 202012010211111 its reverse (111112010210202), we get a palindrome (313124020421313).

Subtracting from 202012010211111 its reverse (111112010210202), we obtain a palindrome (90900000000909).

The spelling of 202012010211111 in words is "two hundred two trillion, twelve billion, ten million, two hundred eleven thousand, one hundred eleven".