121002100030023 has 16 divisors (see below), whose sum is σ = 161366434260096. Its totient is φ = 80652916936800.

The previous prime is 121002100030003. The next prime is 121002100030121. The reversal of 121002100030023 is 320030001200121.

It is not a de Polignac number, because 121002100030023 - 2⁵ = 121002100029991 is a prime.

It is a super-3 number, since 3×121002100030023³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121002100029984 and 121002100030011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002100030003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155639573 + ... + 1155744273.

It is an arithmetic number, because the mean of its divisors is an integer number (10085402141256).

Almost surely, 2^{121002100030023} is an apocalyptic number.

121002100030023 is a deficient number, since it is larger than the sum of its proper divisors (40364334230073).

121002100030023 is a wasteful number, since it uses less digits than its factorization.

121002100030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173374.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121002100030023 its reverse (320030001200121), we get a palindrome (441032101230144).

The spelling of 121002100030023 in words is "one hundred twenty-one trillion, two billion, one hundred million, thirty thousand, twenty-three".