101021022220211 has 4 divisors (see below), whose sum is σ = 101170240865232. Its totient is φ = 100871803575192.

The previous prime is 101021022220193. The next prime is 101021022220291. The reversal of 101021022220211 is 112022220120101.

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 101021022220211 - 2²⁶ = 101020955111347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101021022220211.

It is not an unprimeable number, because it can be changed into a prime (101021022220291) 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, 74609321495 + ... + 74609322848.

It is an arithmetic number, because the mean of its divisors is an integer number (25292560216308).

Almost surely, 2^{101021022220211} is an apocalyptic number.

101021022220211 is a deficient number, since it is larger than the sum of its proper divisors (149218645021).

101021022220211 is an equidigital number, since it uses as much as digits as its factorization.

101021022220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149218645020.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101021022220211 its reverse (112022220120101), we get a palindrome (213043242340312).

The spelling of 101021022220211 in words is "one hundred one trillion, twenty-one billion, twenty-two million, two hundred twenty thousand, two hundred eleven".