122101112121202 has 8 divisors (see below), whose sum is σ = 183305190120156. Its totient is φ = 60999382081152.

The previous prime is 122101112121169. The next prime is 122101112121203. The reversal of 122101112121202 is 202121211101221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121333948098561 + 767164022641 = 11015169^2 + 875879^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 122101112121202.

It is not an unprimeable number, because it can be changed into a prime (122101112121203) 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, 25586986743 + ... + 25586991514.

Almost surely, 2^{122101112121202} is an apocalyptic number.

122101112121202 is a deficient number, since it is larger than the sum of its proper divisors (61204077998954).

122101112121202 is a wasteful number, since it uses less digits than its factorization.

122101112121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51173979452.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122101112121202 its reverse (202121211101221), we get a palindrome (324222323222423).

The spelling of 122101112121202 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred twelve million, one hundred twenty-one thousand, two hundred two".