102022201122021 has 24 divisors (see below), whose sum is σ = 150014169652256. Its totient is φ = 66795760542240.

The previous prime is 102022201122007. The next prime is 102022201122053. The reversal of 102022201122021 is 120221102220201.

It is a happy number.

102022201122021 is a `hidden beast` number, since 1 + 0 + 202 + 220 + 1 + 1 + 220 + 21 = 666.

It is not a de Polignac number, because 102022201122021 - 2⁶ = 102022201121957 is a prime.

It is a super-2 number, since 2×102022201122021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102022201121985 and 102022201122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022201122091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144151495 + ... + 144857508.

Almost surely, 2^{102022201122021} is an apocalyptic number.

It is an amenable number.

102022201122021 is a deficient number, since it is larger than the sum of its proper divisors (47991968530235).

102022201122021 is a wasteful number, since it uses less digits than its factorization.

102022201122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289009713 (or 289009710 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102022201122021 its reverse (120221102220201), we get a palindrome (222243303342222).

The spelling of 102022201122021 in words is "one hundred two trillion, twenty-two billion, two hundred one million, one hundred twenty-two thousand, twenty-one".