1201121401031 has 16 divisors (see below), whose sum is σ = 1234713696480. Its totient is φ = 1167981534720.

The previous prime is 1201121401021. The next prime is 1201121401033. The reversal of 1201121401031 is 1301041211021.

It is a cyclic number.

It is not a de Polignac number, because 1201121401031 - 2⁶ = 1201121400967 is a prime.

It is a super-2 number, since 2×1201121401031² (a number of 25 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 (1201121401033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50385491 + ... + 50409323.

It is an arithmetic number, because the mean of its divisors is an integer number (77169606030).

Almost surely, 2^{1201121401031} is an apocalyptic number.

1201121401031 is a deficient number, since it is larger than the sum of its proper divisors (33592295449).

1201121401031 is an equidigital number, since it uses as much as digits as its factorization.

1201121401031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33266.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1201121401031 its reverse (1301041211021), we get a palindrome (2502162612052).

The spelling of 1201121401031 in words is "one trillion, two hundred one billion, one hundred twenty-one million, four hundred one thousand, thirty-one".