2100010010220 has 72 divisors (see below), whose sum is σ = 6370461757296. Its totient is φ = 559964744832.

The previous prime is 2100010010213. The next prime is 2100010010233. The reversal of 2100010010220 is 220100100012.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2322019 + ... + 3097061.

It is an arithmetic number, because the mean of its divisors is an integer number (88478635518).

Almost surely, 2^{2100010010220} is an apocalyptic number.

2100010010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100010010220 is an abundant number, since it is smaller than the sum of its proper divisors (4270451747076).

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

2100010010220 is a wasteful number, since it uses less digits than its factorization.

2100010010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790111 (or 790106 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2100010010220 its reverse (220100100012), we get a palindrome (2320110110232).

The spelling of 2100010010220 in words is "two trillion, one hundred billion, ten million, ten thousand, two hundred twenty".