101020222121 has 16 divisors (see below), whose sum is σ = 124349777664. Its totient is φ = 79917033024.

The previous prime is 101020222111. The next prime is 101020222151. The reversal of 101020222121 is 121222020101.

It is a cyclic number.

It is not a de Polignac number, because 101020222121 - 2²⁶ = 100953113257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101020222096 and 101020222105.

It is not an unprimeable number, because it can be changed into a prime (101020222111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619271 + ... + 765203.

It is an arithmetic number, because the mean of its divisors is an integer number (7771861104).

Almost surely, 2^101020222121 is an apocalyptic number.

It is an amenable number.

101020222121 is a deficient number, since it is larger than the sum of its proper divisors (23329555543).

101020222121 is a wasteful number, since it uses less digits than its factorization.

101020222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153560.

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

Adding to 101020222121 its reverse (121222020101), we get a palindrome (222242242222).

The spelling of 101020222121 in words is "one hundred one billion, twenty million, two hundred twenty-two thousand, one hundred twenty-one".