102202121022201 has 40 divisors (see below), whose sum is σ = 153534903984000. Its totient is φ = 67750211263680.

The previous prime is 102202121022179. The next prime is 102202121022217. The reversal of 102202121022201 is 102220121202201.

It is a happy number.

102202121022201 is a `hidden beast` number, since 1 + 0 + 220 + 212 + 10 + 2 + 220 + 1 = 666.

It is not a de Polignac number, because 102202121022201 - 2⁷ = 102202121022073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102202121022601) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23965156 + ... + 27905786.

It is an arithmetic number, because the mean of its divisors is an integer number (3838372599600).

Almost surely, 2^{102202121022201} is an apocalyptic number.

It is an amenable number.

102202121022201 is a deficient number, since it is larger than the sum of its proper divisors (51332782961799).

102202121022201 is a wasteful number, since it uses less digits than its factorization.

102202121022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942451 (or 3942442 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102202121022201 its reverse (102220121202201), we get a palindrome (204422242224402).

The spelling of 102202121022201 in words is "one hundred two trillion, two hundred two billion, one hundred twenty-one million, twenty-two thousand, two hundred one".