122113100120146 has 4 divisors (see below), whose sum is σ = 183169650180222. Its totient is φ = 61056550060072.

The previous prime is 122113100120129. The next prime is 122113100120147. The reversal of 122113100120146 is 641021001311221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120985810416025 + 1127289704121 = 10999355^2 + 1061739^2 .

It is a super-2 number, since 2×122113100120146² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122113100120146.

It is not an unprimeable number, because it can be changed into a prime (122113100120147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30528275030035 + ... + 30528275030038.

Almost surely, 2^{122113100120146} is an apocalyptic number.

122113100120146 is a deficient number, since it is larger than the sum of its proper divisors (61056550060076).

122113100120146 is an equidigital number, since it uses as much as digits as its factorization.

122113100120146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61056550060075.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 122113100120146 its reverse (641021001311221), we get a palindrome (763134101431367).

The spelling of 122113100120146 in words is "one hundred twenty-two trillion, one hundred thirteen billion, one hundred million, one hundred twenty thousand, one hundred forty-six".