1210122221202 has 16 divisors (see below), whose sum is σ = 2689160491680. Its totient is φ = 403374073716.

The previous prime is 1210122221201. The next prime is 1210122221221. The reversal of 1210122221202 is 2021222210121.

It is a happy number.

1210122221202 is a `hidden beast` number, since 121 + 0 + 122 + 221 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1210122221201) 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, 11204835328 + ... + 11204835435.

It is an arithmetic number, because the mean of its divisors is an integer number (168072530730).

Almost surely, 2^{1210122221202} is an apocalyptic number.

1210122221202 is an abundant number, since it is smaller than the sum of its proper divisors (1479038270478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210122221202 is a wasteful number, since it uses less digits than its factorization.

1210122221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22409670774 (or 22409670768 counting only the distinct ones).

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

Adding to 1210122221202 its reverse (2021222210121), we get a palindrome (3231344431323).

The spelling of 1210122221202 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred two".