101122220201 has 4 divisors (see below), whose sum is σ = 102123430404. Its totient is φ = 100121010000.

The previous prime is 101122220191. The next prime is 101122220203. The reversal of 101122220201 is 102022221101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47158465600 + 53963754601 = 217160^2 + 232301^2 .

It is a cyclic number.

It is not a de Polignac number, because 101122220201 - 2²⁶ = 101055111337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101122220203) 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, 500604950 + ... + 500605151.

It is an arithmetic number, because the mean of its divisors is an integer number (25530857601).

Almost surely, 2^101122220201 is an apocalyptic number.

It is an amenable number.

101122220201 is a deficient number, since it is larger than the sum of its proper divisors (1001210203).

101122220201 is a wasteful number, since it uses less digits than its factorization.

101122220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001210202.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101122220201 its reverse (102022221101), we get a palindrome (203144441302).

The spelling of 101122220201 in words is "one hundred one billion, one hundred twenty-two million, two hundred twenty thousand, two hundred one".