101031011420 has 96 divisors (see below), whose sum is σ = 221899668480. Its totient is φ = 38590173440.

The previous prime is 101031011401. The next prime is 101031011423. The reversal of 101031011420 is 24110130101.

It is a junction number, because it is equal to n+sod(n) for n = 101031011395 and 101031011404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031011423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56535767 + ... + 56537553.

It is an arithmetic number, because the mean of its divisors is an integer number (2311454880).

Almost surely, 2^101031011420 is an apocalyptic number.

101031011420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101031011420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110949834240).

101031011420 is an abundant number, since it is smaller than the sum of its proper divisors (120868657060).

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

101031011420 is a wasteful number, since it uses less digits than its factorization.

101031011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843 (or 2841 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101031011420 its reverse (24110130101), we get a palindrome (125141141521).

The spelling of 101031011420 in words is "one hundred one billion, thirty-one million, eleven thousand, four hundred twenty".