101143222040 has 128 divisors (see below), whose sum is σ = 267617416320. Its totient is φ = 33686016000.

The previous prime is 101143222031. The next prime is 101143222051. The reversal of 101143222040 is 40222341101.

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 31 ways as a sum of consecutive naturals, for example, 1465100 + ... + 1532580.

It is an arithmetic number, because the mean of its divisors is an integer number (2090761065).

Almost surely, 2^101143222040 is an apocalyptic number.

101143222040 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 101143222040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133808708160).

101143222040 is an abundant number, since it is smaller than the sum of its proper divisors (166474194280).

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

101143222040 is a wasteful number, since it uses less digits than its factorization.

101143222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67653 (or 67649 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101143222040 its reverse (40222341101), we get a palindrome (141365563141).

The spelling of 101143222040 in words is "one hundred one billion, one hundred forty-three million, two hundred twenty-two thousand, forty".