2221101212010 has 32 divisors (see below), whose sum is σ = 5611203063360. Its totient is φ = 561120306048.

The previous prime is 2221101211969. The next prime is 2221101212039. The reversal of 2221101212010 is 102121011222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1948333827 + ... + 1948334966.

It is an arithmetic number, because the mean of its divisors is an integer number (175350095730).

Almost surely, 2^{2221101212010} is an apocalyptic number.

2221101212010 is an abundant number, since it is smaller than the sum of its proper divisors (3390101851350).

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

2221101212010 is a wasteful number, since it uses less digits than its factorization.

2221101212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896668822.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2221101212010 its reverse (102121011222), we get a palindrome (2323222223232).

The spelling of 2221101212010 in words is "two trillion, two hundred twenty-one billion, one hundred one million, two hundred twelve thousand, ten".