121202101222002 has 64 divisors (see below), whose sum is σ = 270907426368000. Its totient is φ = 40165308514944.

The previous prime is 121202101221991. The next prime is 121202101222031. The reversal of 121202101222002 is 200222101202121.

It is a happy number.

121202101222002 is a `hidden beast` number, since 12 + 120 + 210 + 122 + 200 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209055399 + ... + 209634357.

It is an arithmetic number, because the mean of its divisors is an integer number (4232928537000).

Almost surely, 2^{121202101222002} is an apocalyptic number.

121202101222002 is an abundant number, since it is smaller than the sum of its proper divisors (149705325145998).

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

121202101222002 is a wasteful number, since it uses less digits than its factorization.

121202101222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601552 (or 601546 counting only the distinct ones).

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

Adding to 121202101222002 its reverse (200222101202121), we get a palindrome (321424202424123).

The spelling of 121202101222002 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred one million, two hundred twenty-two thousand, two".