2100101002220 has 48 divisors (see below), whose sum is σ = 4902667569408. Its totient is φ = 750408295680.

The previous prime is 2100101002217. The next prime is 2100101002277. The reversal of 2100101002220 is 222001010012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130271159 + ... + 130287278.

It is an arithmetic number, because the mean of its divisors is an integer number (102138907696).

Almost surely, 2^{2100101002220} is an apocalyptic number.

2100101002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100101002220 is an abundant number, since it is smaller than the sum of its proper divisors (2802566567188).

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

2100101002220 is a wasteful number, since it uses less digits than its factorization.

2100101002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260558490 (or 260558488 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100101002220 its reverse (222001010012), we get a palindrome (2322102012232).

The spelling of 2100101002220 in words is "two trillion, one hundred billion, one hundred one million, two thousand, two hundred twenty".