10101231420 has 72 divisors (see below), whose sum is σ = 32901163344. Its totient is φ = 2308852224.

The previous prime is 10101231403. The next prime is 10101231457. The reversal of 10101231420 is 2413210101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10101231420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1714957 + ... + 1720836.

It is an arithmetic number, because the mean of its divisors is an integer number (456960602).

Almost surely, 2^10101231420 is an apocalyptic number.

10101231420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101231420 is an abundant number, since it is smaller than the sum of its proper divisors (22799931924).

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

10101231420 is a wasteful number, since it uses less digits than its factorization.

10101231420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435819 (or 3435810 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10101231420 its reverse (2413210101), we get a palindrome (12514441521).

The spelling of 10101231420 in words is "ten billion, one hundred one million, two hundred thirty-one thousand, four hundred twenty".