102220201021 has 8 divisors (see below), whose sum is σ = 103491884160. Its totient is φ = 100949473152.

The previous prime is 102220200991. The next prime is 102220201033. The reversal of 102220201021 is 120102022201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102220201021 - 2⁷ = 102220200893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102220200992 and 102220201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220211021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22261 + ... + 452698.

It is an arithmetic number, because the mean of its divisors is an integer number (12936485520).

Almost surely, 2^102220201021 is an apocalyptic number.

It is an amenable number.

102220201021 is a deficient number, since it is larger than the sum of its proper divisors (1271683139).

102220201021 is an equidigital number, since it uses as much as digits as its factorization.

102220201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477635.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102220201021 its reverse (120102022201), we get a palindrome (222322223222).

The spelling of 102220201021 in words is "one hundred two billion, two hundred twenty million, two hundred one thousand, twenty-one".