202101120011 has 4 divisors (see below), whose sum is σ = 230972708592. Its totient is φ = 173229531432.

The previous prime is 202101119981. The next prime is 202101120061. The reversal of 202101120011 is 110021101202.

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 202101120011 - 2²⁶ = 202034011147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202101119974 and 202101120001.

It is not an unprimeable number, because it can be changed into a prime (202101120061) 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, 14435794280 + ... + 14435794293.

It is an arithmetic number, because the mean of its divisors is an integer number (57743177148).

Almost surely, 2^202101120011 is an apocalyptic number.

202101120011 is a deficient number, since it is larger than the sum of its proper divisors (28871588581).

202101120011 is an equidigital number, since it uses as much as digits as its factorization.

202101120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28871588580.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202101120011 its reverse (110021101202), we get a palindrome (312122221213).

The spelling of 202101120011 in words is "two hundred two billion, one hundred one million, one hundred twenty thousand, eleven".