121003020023213 has 4 divisors (see below), whose sum is σ = 121636543688448. Its totient is φ = 120369496357980.

The previous prime is 121003020023153. The next prime is 121003020023251. The reversal of 121003020023213 is 312320020300121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121003020023213 - 2¹⁴ = 121003020006829 is a prime.

It is a super-3 number, since 3×121003020023213³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003020023293) 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, 316761832331 + ... + 316761832712.

It is an arithmetic number, because the mean of its divisors is an integer number (30409135922112).

Almost surely, 2^{121003020023213} is an apocalyptic number.

It is an amenable number.

121003020023213 is a deficient number, since it is larger than the sum of its proper divisors (633523665235).

121003020023213 is an equidigital number, since it uses as much as digits as its factorization.

121003020023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633523665234.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121003020023213 its reverse (312320020300121), we get a palindrome (433323040323334).

The spelling of 121003020023213 in words is "one hundred twenty-one trillion, three billion, twenty million, twenty-three thousand, two hundred thirteen".