100102220201221 has 8 divisors (see below), whose sum is σ = 114490068016320. Its totient is φ = 85736255047008.

The previous prime is 100102220201189. The next prime is 100102220201231. The reversal of 100102220201221 is 122102022201001.

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 100102220201221 - 2⁵ = 100102220201189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100102220201195 and 100102220201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102220201231) 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, 5470655416 + ... + 5470673713.

It is an arithmetic number, because the mean of its divisors is an integer number (14311258502040).

Almost surely, 2^{100102220201221} is an apocalyptic number.

It is an amenable number.

100102220201221 is a deficient number, since it is larger than the sum of its proper divisors (14387847815099).

100102220201221 is a wasteful number, since it uses less digits than its factorization.

100102220201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10941330443.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100102220201221 its reverse (122102022201001), we get a palindrome (222204242402222).

The spelling of 100102220201221 in words is "one hundred trillion, one hundred two billion, two hundred twenty million, two hundred one thousand, two hundred twenty-one".