122121020010002 has 12 divisors (see below), whose sum is σ = 198356331318570. Its totient is φ = 56363547696768.

The previous prime is 122121020009999. The next prime is 122121020010043. The reversal of 122121020010002 is 200010020121221.

It can be written as a sum of positive squares in 3 ways, for example, as 47299194708481 + 74821825301521 = 6877441^2 + 8649961^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180652396127 + ... + 180652396802.

Almost surely, 2^{122121020010002} is an apocalyptic number.

122121020010002 is a deficient number, since it is larger than the sum of its proper divisors (76235311308568).

122121020010002 is a wasteful number, since it uses less digits than its factorization.

122121020010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361304792957 (or 361304792944 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122121020010002 its reverse (200010020121221), we get a palindrome (322131040131223).

The spelling of 122121020010002 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, twenty million, ten thousand, two".