1231101411420 has 48 divisors (see below), whose sum is σ = 3470218768800. Its totient is φ = 326090393856.

The previous prime is 1231101411409. The next prime is 1231101411431. The reversal of 1231101411420 is 241141011321.

It is an interprime number because it is at equal distance from previous prime (1231101411409) and next prime (1231101411431).

It is a super-2 number, since 2×1231101411420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 68844607 + ... + 68862486.

It is an arithmetic number, because the mean of its divisors is an integer number (72296224350).

Almost surely, 2^{1231101411420} is an apocalyptic number.

1231101411420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231101411420 is an abundant number, since it is smaller than the sum of its proper divisors (2239117357380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231101411420 is a wasteful number, since it uses less digits than its factorization.

1231101411420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137707254 (or 137707252 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1231101411420 its reverse (241141011321), we get a palindrome (1472242422741).

The spelling of 1231101411420 in words is "one trillion, two hundred thirty-one billion, one hundred one million, four hundred eleven thousand, four hundred twenty".