102220201121121 has 24 divisors (see below), whose sum is σ = 149733051698880. Its totient is φ = 67186065492000.

The previous prime is 102220201121083. The next prime is 102220201121131. The reversal of 102220201121121 is 121121102022201.

102220201121121 is a `hidden beast` number, since 1 + 0 + 2 + 220 + 201 + 121 + 121 = 666.

It is not a de Polignac number, because 102220201121121 - 2¹⁵ = 102220201088353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102220201121094 and 102220201121103.

It is not an unprimeable number, because it can be changed into a prime (102220201121131) 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, 47210571 + ... + 49328271.

It is an arithmetic number, because the mean of its divisors is an integer number (6238877154120).

Almost surely, 2^{102220201121121} is an apocalyptic number.

It is an amenable number.

102220201121121 is a deficient number, since it is larger than the sum of its proper divisors (47512850577759).

102220201121121 is a wasteful number, since it uses less digits than its factorization.

102220201121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193317 (or 2193314 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102220201121121 its reverse (121121102022201), we get a palindrome (223341303143322).

The spelling of 102220201121121 in words is "one hundred two trillion, two hundred twenty billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-one".