102200020221 has 32 divisors (see below), whose sum is σ = 149025566592. Its totient is φ = 61919631360.

The previous prime is 102200020199. The next prime is 102200020231. The reversal of 102200020221 is 122020002201.

It is not a de Polignac number, because 102200020221 - 2⁶ = 102200020157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102200020197 and 102200020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200020231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1570981 + ... + 1634741.

It is an arithmetic number, because the mean of its divisors is an integer number (4657048956).

Almost surely, 2^102200020221 is an apocalyptic number.

It is an amenable number.

102200020221 is a deficient number, since it is larger than the sum of its proper divisors (46825546371).

102200020221 is a wasteful number, since it uses less digits than its factorization.

102200020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64413.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102200020221 its reverse (122020002201), we get a palindrome (224220022422).

The spelling of 102200020221 in words is "one hundred two billion, two hundred million, twenty thousand, two hundred twenty-one".