2101210221010 has 64 divisors (see below), whose sum is σ = 3814412595840. Its totient is φ = 833359518720.

The previous prime is 2101210220987. The next prime is 2101210221031. The reversal of 2101210221010 is 101220121012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 664307689 + ... + 664310851.

It is an arithmetic number, because the mean of its divisors is an integer number (59600196810).

Almost surely, 2^{2101210221010} is an apocalyptic number.

2101210221010 is a deficient number, since it is larger than the sum of its proper divisors (1713202374830).

2101210221010 is a wasteful number, since it uses less digits than its factorization.

2101210221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101210221010 its reverse (101220121012), we get a palindrome (2202430342022).

The spelling of 2101210221010 in words is "two trillion, one hundred one billion, two hundred ten million, two hundred twenty-one thousand, ten".