101120124440 has 16 divisors (see below), whose sum is σ = 227520280080. Its totient is φ = 40448049760.

The previous prime is 101120124419. The next prime is 101120124461. The reversal of 101120124440 is 44421021101.

It is an interprime number because it is at equal distance from previous prime (101120124419) and next prime (101120124461).

It is a super-2 number, since 2×101120124440² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264001516 + ... + 1264001595.

It is an arithmetic number, because the mean of its divisors is an integer number (14220017505).

Almost surely, 2^101120124440 is an apocalyptic number.

101120124440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101120124440 is an abundant number, since it is smaller than the sum of its proper divisors (126400155640).

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

101120124440 is a wasteful number, since it uses less digits than its factorization.

101120124440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528003122 (or 2528003118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 101120124440 its reverse (44421021101), we get a palindrome (145541145541).

The spelling of 101120124440 in words is "one hundred one billion, one hundred twenty million, one hundred twenty-four thousand, four hundred forty".