210100211020220 has 24 divisors (see below), whose sum is σ = 441216983106144. Its totient is φ = 84038838700736.

The previous prime is 210100211020153. The next prime is 210100211020241. The reversal of 210100211020220 is 22020112001012.

It is a junction number, because it is equal to n+sod(n) for n = 210100211020195 and 210100211020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76473104 + ... + 79172823.

It is an arithmetic number, because the mean of its divisors is an integer number (18384040962756).

Almost surely, 2^{210100211020220} is an apocalyptic number.

210100211020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210100211020220 is an abundant number, since it is smaller than the sum of its proper divisors (231116772085924).

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

210100211020220 is a wasteful number, since it uses less digits than its factorization.

210100211020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155713429 (or 155713427 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210100211020220 its reverse (22020112001012), we get a palindrome (232120323021232).

The spelling of 210100211020220 in words is "two hundred ten trillion, one hundred billion, two hundred eleven million, twenty thousand, two hundred twenty".