11221011010 has 32 divisors (see below), whose sum is σ = 22144752000. Its totient is φ = 4059855360.

The previous prime is 11221011001. The next prime is 11221011029. The reversal of 11221011010 is 1011012211.

It is a super-2 number, since 2×11221011010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 234415 + ... + 278194.

It is an arithmetic number, because the mean of its divisors is an integer number (692023500).

Almost surely, 2^11221011010 is an apocalyptic number.

11221011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221011010 is a deficient number, since it is larger than the sum of its proper divisors (10923740990).

11221011010 is a wasteful number, since it uses less digits than its factorization.

11221011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512826.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11221011010 its reverse (1011012211), we get a palindrome (12232023221).

The spelling of 11221011010 in words is "eleven billion, two hundred twenty-one million, eleven thousand, ten".