2211121222010 has 32 divisors (see below), whose sum is σ = 3990303777600. Its totient is φ = 882163206400.

The previous prime is 2211121221977. The next prime is 2211121222081. The reversal of 2211121222010 is 102221211122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211121222010.

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, 66625601 + ... + 66658779.

It is an arithmetic number, because the mean of its divisors is an integer number (124696993050).

Almost surely, 2^{2211121222010} is an apocalyptic number.

2211121222010 is a deficient number, since it is larger than the sum of its proper divisors (1779182555590).

2211121222010 is a wasteful number, since it uses less digits than its factorization.

2211121222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50206.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2211121222010 its reverse (102221211122), we get a palindrome (2313342433132).

The spelling of 2211121222010 in words is "two trillion, two hundred eleven billion, one hundred twenty-one million, two hundred twenty-two thousand, ten".