102220200112121 has 8 divisors (see below), whose sum is σ = 125809477061184. Its totient is φ = 80877520967760.

The previous prime is 102220200112087. The next prime is 102220200112127. The reversal of 102220200112121 is 121211002022201.

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 102220200112121 - 2¹⁴ = 102220200095737 is a prime.

It is a super-2 number, since 2×102220200112121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102220200112121.

It is not an unprimeable number, because it can be changed into a prime (102220200112127) 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, 561649451075 + ... + 561649451256.

It is an arithmetic number, because the mean of its divisors is an integer number (15726184632648).

Almost surely, 2^{102220200112121} is an apocalyptic number.

It is an amenable number.

102220200112121 is a deficient number, since it is larger than the sum of its proper divisors (23589276949063).

102220200112121 is a wasteful number, since it uses less digits than its factorization.

102220200112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123298902351.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102220200112121 its reverse (121211002022201), we get a palindrome (223431202134322).

The spelling of 102220200112121 in words is "one hundred two trillion, two hundred twenty billion, two hundred million, one hundred twelve thousand, one hundred twenty-one".