2101230032220 has 144 divisors (see below), whose sum is σ = 6953746520448. Its totient is φ = 509346218880.

The previous prime is 2101230032191. The next prime is 2101230032263. The reversal of 2101230032220 is 222300321012.

2101230032220 is a `hidden beast` number, since 2 + 10 + 12 + 300 + 322 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2101230032193 and 2101230032202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27894247 + ... + 27969473.

It is an arithmetic number, because the mean of its divisors is an integer number (48289906392).

Almost surely, 2^{2101230032220} is an apocalyptic number.

2101230032220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101230032220 is an abundant number, since it is smaller than the sum of its proper divisors (4852516488228).

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

2101230032220 is a wasteful number, since it uses less digits than its factorization.

2101230032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89360 (or 89355 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2101230032220 its reverse (222300321012), we get a palindrome (2323530353232).

The spelling of 2101230032220 in words is "two trillion, one hundred one billion, two hundred thirty million, thirty-two thousand, two hundred twenty".