102021000122211 has 4 divisors (see below), whose sum is σ = 136028000162952. Its totient is φ = 68014000081472.

The previous prime is 102021000122207. The next prime is 102021000122227. The reversal of 102021000122211 is 112221000120201.

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 102021000122211 - 2² = 102021000122207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021000122231) 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, 17003500020366 + ... + 17003500020371.

It is an arithmetic number, because the mean of its divisors is an integer number (34007000040738).

Almost surely, 2^{102021000122211} is an apocalyptic number.

102021000122211 is a deficient number, since it is larger than the sum of its proper divisors (34007000040741).

102021000122211 is an equidigital number, since it uses as much as digits as its factorization.

102021000122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34007000040740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102021000122211 its reverse (112221000120201), we get a palindrome (214242000242412).

The spelling of 102021000122211 in words is "one hundred two trillion, twenty-one billion, one hundred twenty-two thousand, two hundred eleven".