202011112102111 has 8 divisors (see below), whose sum is σ = 217694406220704. Its totient is φ = 186348386241120.

The previous prime is 202011112102043. The next prime is 202011112102139. The reversal of 202011112102111 is 111201211110202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202011112102111 - 2¹⁹ = 202011111577823 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 (202011112102171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5142043996 + ... + 5142083281.

It is an arithmetic number, because the mean of its divisors is an integer number (27211800777588).

Almost surely, 2^{202011112102111} is an apocalyptic number.

202011112102111 is a deficient number, since it is larger than the sum of its proper divisors (15683294118593).

202011112102111 is a wasteful number, since it uses less digits than its factorization.

202011112102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284128801.

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

Adding to 202011112102111 its reverse (111201211110202), we get a palindrome (313212323212313).

The spelling of 202011112102111 in words is "two hundred two trillion, eleven billion, one hundred twelve million, one hundred two thousand, one hundred eleven".