202001100212111 has 4 divisors (see below), whose sum is σ = 212632737065400. Its totient is φ = 191369463358824.

The previous prime is 202001100211961. The next prime is 202001100212143. The reversal of 202001100212111 is 111212001100202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202001100212111 - 2³⁴ = 201983920342927 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 (202001100212311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5315818426616 + ... + 5315818426653.

It is an arithmetic number, because the mean of its divisors is an integer number (53158184266350).

Almost surely, 2^{202001100212111} is an apocalyptic number.

202001100212111 is a deficient number, since it is larger than the sum of its proper divisors (10631636853289).

202001100212111 is a wasteful number, since it uses less digits than its factorization.

202001100212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631636853288.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202001100212111 its reverse (111212001100202), we get a palindrome (313213101312313).

The spelling of 202001100212111 in words is "two hundred two trillion, one billion, one hundred million, two hundred twelve thousand, one hundred eleven".