202111001113 has 8 divisors (see below), whose sum is σ = 241026784128. Its totient is φ = 165705913824.

The previous prime is 202111001111. The next prime is 202111001129. The reversal of 202111001113 is 311100111202.

It is a happy number.

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 202111001113 - 2¹ = 202111001111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202111001093 and 202111001102.

It is not an unprimeable number, because it can be changed into a prime (202111001111) 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, 627673756 + ... + 627674077.

It is an arithmetic number, because the mean of its divisors is an integer number (30128348016).

Almost surely, 2^202111001113 is an apocalyptic number.

202111001113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

202111001113 is a deficient number, since it is larger than the sum of its proper divisors (38915783015).

202111001113 is a wasteful number, since it uses less digits than its factorization.

202111001113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255347863.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 202111001113 its reverse (311100111202), we get a palindrome (513211112315).

The spelling of 202111001113 in words is "two hundred two billion, one hundred eleven million, one thousand, one hundred thirteen".