121102200201023 has 4 divisors (see below), whose sum is σ = 121383179784288. Its totient is φ = 120821220617760.

The previous prime is 121102200200911. The next prime is 121102200201053. The reversal of 121102200201023 is 320102002201121.

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

It is a cyclic number.

It is not a de Polignac number, because 121102200201023 - 2²⁸ = 121101931765567 is a prime.

It is a super-2 number, since 2×121102200201023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121102200200992 and 121102200201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102200201053) 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, 140489790986 + ... + 140489791847.

It is an arithmetic number, because the mean of its divisors is an integer number (30345794946072).

Almost surely, 2^{121102200201023} is an apocalyptic number.

121102200201023 is a deficient number, since it is larger than the sum of its proper divisors (280979583265).

121102200201023 is an equidigital number, since it uses as much as digits as its factorization.

121102200201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280979583264.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121102200201023 its reverse (320102002201121), we get a palindrome (441204202402144).

The spelling of 121102200201023 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred million, two hundred one thousand, twenty-three".