101204251040 has 48 divisors (see below), whose sum is σ = 247339711080. Its totient is φ = 39085777920.

The previous prime is 101204250977. The next prime is 101204251061. The reversal of 101204251040 is 40152402101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 96927614224 + 4276636816 = 311332^2 + 65396^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10900991 + ... + 10910270.

Almost surely, 2^101204251040 is an apocalyptic number.

101204251040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101204251040 is an abundant number, since it is smaller than the sum of its proper divisors (146135460040).

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

101204251040 is a wasteful number, since it uses less digits than its factorization.

101204251040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21811305 (or 21811297 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 101204251040 its reverse (40152402101), we get a palindrome (141356653141).

The spelling of 101204251040 in words is "one hundred one billion, two hundred four million, two hundred fifty-one thousand, forty".