201022120112101 has 4 divisors (see below), whose sum is σ = 209762212290912. Its totient is φ = 192282027933292.

The previous prime is 201022120112071. The next prime is 201022120112123. The reversal of 201022120112101 is 101211021220102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201022120112101 - 2⁷ = 201022120111973 is a prime.

It is a super-2 number, since 2×201022120112101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022120110101) 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, 4370046089371 + ... + 4370046089416.

It is an arithmetic number, because the mean of its divisors is an integer number (52440553072728).

Almost surely, 2^{201022120112101} is an apocalyptic number.

It is an amenable number.

201022120112101 is a deficient number, since it is larger than the sum of its proper divisors (8740092178811).

201022120112101 is an equidigital number, since it uses as much as digits as its factorization.

201022120112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740092178810.

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

Adding to 201022120112101 its reverse (101211021220102), we get a palindrome (302233141332203).

The spelling of 201022120112101 in words is "two hundred one trillion, twenty-two billion, one hundred twenty million, one hundred twelve thousand, one hundred one".