101121030 has 24 divisors (see below), whose sum is σ = 262914912. Its totient is φ = 26965584.

The previous prime is 101121011. The next prime is 101121067. The reversal of 101121030 is 30121101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561694 + ... + 561873.

It is an arithmetic number, because the mean of its divisors is an integer number (10954788).

Almost surely, 2^101121030 is an apocalyptic number.

101121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101121030 is an abundant number, since it is smaller than the sum of its proper divisors (161793882).

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

101121030 is a wasteful number, since it uses less digits than its factorization.

101121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123580 (or 1123577 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 101121030 is about 10055.8952858510. The cubic root of 101121030 is about 465.8868956225.

Adding to 101121030 its reverse (30121101), we get a palindrome (131242131).

The spelling of 101121030 in words is "one hundred one million, one hundred twenty-one thousand, thirty".