102121020001222 has 8 divisors (see below), whose sum is σ = 153367655800176. Its totient is φ = 50998468067832.

The previous prime is 102121020001177. The next prime is 102121020001223. The reversal of 102121020001222 is 222100020121201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102121020001196 and 102121020001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121020001223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31020964333 + ... + 31020967624.

It is an arithmetic number, because the mean of its divisors is an integer number (19170956975022).

Almost surely, 2^{102121020001222} is an apocalyptic number.

102121020001222 is a deficient number, since it is larger than the sum of its proper divisors (51246635798954).

102121020001222 is an equidigital number, since it uses as much as digits as its factorization.

102121020001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62041932782.

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

Adding to 102121020001222 its reverse (222100020121201), we get a palindrome (324221040122423).

The spelling of 102121020001222 in words is "one hundred two trillion, one hundred twenty-one billion, twenty million, one thousand, two hundred twenty-two".