122011101020023 has 4 divisors (see below), whose sum is σ = 122012248893568. Its totient is φ = 122009953146480.

The previous prime is 122011101019999. The next prime is 122011101020047. The reversal of 122011101020023 is 320020101110221.

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

It is an interprime number because it is at equal distance from previous prime (122011101019999) and next prime (122011101020047).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122011101020023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122011101019979 and 122011101020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011101020063) 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, 573777318 + ... + 573989923.

It is an arithmetic number, because the mean of its divisors is an integer number (30503062223392).

Almost surely, 2^{122011101020023} is an apocalyptic number.

122011101020023 is a deficient number, since it is larger than the sum of its proper divisors (1147873545).

122011101020023 is a wasteful number, since it uses less digits than its factorization.

122011101020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147873544.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122011101020023 its reverse (320020101110221), we get a palindrome (442031202130244).

The spelling of 122011101020023 in words is "one hundred twenty-two trillion, eleven billion, one hundred one million, twenty thousand, twenty-three".