2211111021010 has 32 divisors (see below), whose sum is σ = 4040090239680. Its totient is φ = 871095479232.

The previous prime is 2211111021001. The next prime is 2211111021011. The reversal of 2211111021010 is 101201111122.

It is a happy number.

It is a super-2 number, since 2×2211111021010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211111021011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3701292 + ... + 4256968.

It is an arithmetic number, because the mean of its divisors is an integer number (126252819990).

Almost surely, 2^{2211111021010} is an apocalyptic number.

2211111021010 is a deficient number, since it is larger than the sum of its proper divisors (1828979218670).

2211111021010 is a wasteful number, since it uses less digits than its factorization.

2211111021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561690.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2211111021010 its reverse (101201111122), we get a palindrome (2312312132132).

The spelling of 2211111021010 in words is "two trillion, two hundred eleven billion, one hundred eleven million, twenty-one thousand, ten".