101002120220122 has 24 divisors (see below), whose sum is σ = 166528827278100. Its totient is φ = 45909906282240.

The previous prime is 101002120220059. The next prime is 101002120220159. The reversal of 101002120220122 is 221022021200101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89412323844481 + 11589796375641 = 9455809^2 + 3404379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101002120220096 and 101002120220105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115950904 + ... + 116818732.

Almost surely, 2^{101002120220122} is an apocalyptic number.

101002120220122 is a deficient number, since it is larger than the sum of its proper divisors (65526707057978).

101002120220122 is a wasteful number, since it uses less digits than its factorization.

101002120220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348782 (or 1348771 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101002120220122 its reverse (221022021200101), we get a palindrome (322024141420223).

The spelling of 101002120220122 in words is "one hundred one trillion, two billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty-two".