101123133021240 has 64 divisors (see below), whose sum is σ = 330948435346560. Its totient is φ = 24514698913920.

The previous prime is 101123133021187. The next prime is 101123133021277. The reversal of 101123133021240 is 42120331321101.

It is a super-2 number, since 2×101123133021240² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 101123133021240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38304215734 + ... + 38304218373.

It is an arithmetic number, because the mean of its divisors is an integer number (5171069302290).

Almost surely, 2^{101123133021240} is an apocalyptic number.

101123133021240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101123133021240 is an abundant number, since it is smaller than the sum of its proper divisors (229825302325320).

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

101123133021240 is a wasteful number, since it uses less digits than its factorization.

101123133021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76608434132 (or 76608434128 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 101123133021240 its reverse (42120331321101), we get a palindrome (143243464342341).

The spelling of 101123133021240 in words is "one hundred one trillion, one hundred twenty-three billion, one hundred thirty-three million, twenty-one thousand, two hundred forty".