11221012211010 has 64 divisors (see below), whose sum is σ = 30779257651200. Its totient is φ = 2564667444672.

The previous prime is 11221012210999. The next prime is 11221012211011. The reversal of 11221012211010 is 1011221012211.

It is a happy number.

It is a super-2 number, since 2×11221012211010² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (11221012211011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2606271 + ... + 5406909.

It is an arithmetic number, because the mean of its divisors is an integer number (480925900800).

Almost surely, 2^{11221012211010} is an apocalyptic number.

11221012211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221012211010 is an abundant number, since it is smaller than the sum of its proper divisors (19558245440190).

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

11221012211010 is a wasteful number, since it uses less digits than its factorization.

11221012211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819735.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11221012211010 its reverse (1011221012211), we get a palindrome (12232233223221).

The spelling of 11221012211010 in words is "eleven trillion, two hundred twenty-one billion, twelve million, two hundred eleven thousand, ten".