121220113022031 has 8 divisors (see below), whose sum is σ = 161627052510000. Its totient is φ = 80813291107712.

The previous prime is 121220113022011. The next prime is 121220113022081. The reversal of 121220113022031 is 130220311022121.

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 121220113022031 - 2³⁹ = 120670357208143 is a prime.

It is a super-2 number, since 2×121220113022031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121220113021989 and 121220113022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220113022011) 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, 26958906 + ... + 31132343.

It is an arithmetic number, because the mean of its divisors is an integer number (20203381563750).

Almost surely, 2^{121220113022031} is an apocalyptic number.

121220113022031 is a deficient number, since it is larger than the sum of its proper divisors (40406939487969).

121220113022031 is an equidigital number, since it uses as much as digits as its factorization.

121220113022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58786825.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121220113022031 its reverse (130220311022121), we get a palindrome (251440424044152).

The spelling of 121220113022031 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred thirteen million, twenty-two thousand, thirty-one".