121220302101031 has 8 divisors (see below), whose sum is σ = 146686752122400. Its totient is φ = 97791168081408.

The previous prime is 121220302101029. The next prime is 121220302101049. The reversal of 121220302101031 is 130101203022121.

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 121220302101031 - 2¹ = 121220302101029 is a prime.

It is a super-2 number, since 2×121220302101031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220302101931) 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, 509329000306 + ... + 509329000543.

It is an arithmetic number, because the mean of its divisors is an integer number (18335844015300).

Almost surely, 2^{121220302101031} is an apocalyptic number.

121220302101031 is a deficient number, since it is larger than the sum of its proper divisors (25466450021369).

121220302101031 is a wasteful number, since it uses less digits than its factorization.

121220302101031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018658000873.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121220302101031 its reverse (130101203022121), we get a palindrome (251321505123152).

The spelling of 121220302101031 in words is "one hundred twenty-one trillion, two hundred twenty billion, three hundred two million, one hundred one thousand, thirty-one".