101021132130 has 128 divisors (see below), whose sum is σ = 249568542720. Its totient is φ = 26158176000.

The previous prime is 101021132119. The next prime is 101021132143. The reversal of 101021132130 is 31231120101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140501911 + ... + 140502629.

It is an arithmetic number, because the mean of its divisors is an integer number (1949754240).

Almost surely, 2^101021132130 is an apocalyptic number.

101021132130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101021132130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124784271360).

101021132130 is an abundant number, since it is smaller than the sum of its proper divisors (148547410590).

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

101021132130 is a wasteful number, since it uses less digits than its factorization.

101021132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101021132130 its reverse (31231120101), we get a palindrome (132252252231).

The spelling of 101021132130 in words is "one hundred one billion, twenty-one million, one hundred thirty-two thousand, one hundred thirty".