121003020121031 has 8 divisors (see below), whose sum is σ = 124308309843840. Its totient is φ = 117699569231328.

The previous prime is 121003020120991. The next prime is 121003020121117. The reversal of 121003020121031 is 130121020300121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121003020121031 - 2³⁰ = 121001946379207 is a prime.

It is a super-2 number, since 2×121003020121031² (a number of 29 digits) contains 22 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 (121003029121031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459574871 + ... + 459838088.

It is an arithmetic number, because the mean of its divisors is an integer number (15538538730480).

Almost surely, 2^{121003020121031} is an apocalyptic number.

121003020121031 is a deficient number, since it is larger than the sum of its proper divisors (3305289722809).

121003020121031 is an equidigital number, since it uses as much as digits as its factorization.

121003020121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919416553.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121003020121031 its reverse (130121020300121), we get a palindrome (251124040421152).

The spelling of 121003020121031 in words is "one hundred twenty-one trillion, three billion, twenty million, one hundred twenty-one thousand, thirty-one".