102001122011 has 4 divisors (see below), whose sum is σ = 102004093800. Its totient is φ = 101998150224.

The previous prime is 102001121951. The next prime is 102001122073. The reversal of 102001122011 is 110221100201.

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 102001122011 - 2²⁶ = 101934013147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102001121983 and 102001122001.

It is not an unprimeable number, because it can be changed into a prime (102001122511) 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, 1433801 + ... + 1503258.

It is an arithmetic number, because the mean of its divisors is an integer number (25501023450).

Almost surely, 2^102001122011 is an apocalyptic number.

102001122011 is a deficient number, since it is larger than the sum of its proper divisors (2971789).

102001122011 is an equidigital number, since it uses as much as digits as its factorization.

102001122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971788.

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

Adding to 102001122011 its reverse (110221100201), we get a palindrome (212222222212).

The spelling of 102001122011 in words is "one hundred two billion, one million, one hundred twenty-two thousand, eleven".