122221012100202 has 48 divisors (see below), whose sum is σ = 265444911318600. Its totient is φ = 40643025432576.

The previous prime is 122221012100107. The next prime is 122221012100279. The reversal of 122221012100202 is 202001210122221.

It is a happy number.

122221012100202 is a `hidden beast` number, since 1 + 222 + 210 + 1 + 210 + 0 + 20 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 108684565685721 + 13536446414481 = 10425189^2 + 3679191^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48863998 + ... + 51304310.

Almost surely, 2^{122221012100202} is an apocalyptic number.

122221012100202 is an abundant number, since it is smaller than the sum of its proper divisors (143223899218398).

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

122221012100202 is a wasteful number, since it uses less digits than its factorization.

122221012100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446967 (or 2446964 counting only the distinct ones).

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

Adding to 122221012100202 its reverse (202001210122221), we get a palindrome (324222222222423).

The spelling of 122221012100202 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, twelve million, one hundred thousand, two hundred two".