101021002122211 has 4 divisors (see below), whose sum is σ = 101021041013400. Its totient is φ = 101020963231024.

The previous prime is 101021002122193. The next prime is 101021002122221. The reversal of 101021002122211 is 112221200120101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101021002122211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101021002122221) 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, 15247141 + ... + 20845078.

It is an arithmetic number, because the mean of its divisors is an integer number (25255260253350).

Almost surely, 2^{101021002122211} is an apocalyptic number.

101021002122211 is a deficient number, since it is larger than the sum of its proper divisors (38891189).

101021002122211 is an equidigital number, since it uses as much as digits as its factorization.

101021002122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38891188.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101021002122211 its reverse (112221200120101), we get a palindrome (213242202242312).

The spelling of 101021002122211 in words is "one hundred one trillion, twenty-one billion, two million, one hundred twenty-two thousand, two hundred eleven".