1122211121010 has 64 divisors (see below), whose sum is σ = 3211893706752. Its totient is φ = 245352989376.

The previous prime is 1122211120999. The next prime is 1122211121029. The reversal of 1122211121010 is 101211122211.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116166094 + ... + 116175753.

It is an arithmetic number, because the mean of its divisors is an integer number (50185839168).

Almost surely, 2^{1122211121010} is an apocalyptic number.

1122211121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122211121010 is an abundant number, since it is smaller than the sum of its proper divisors (2089682585742).

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

1122211121010 is a wasteful number, since it uses less digits than its factorization.

1122211121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232341887.

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

Adding to 1122211121010 its reverse (101211122211), we get a palindrome (1223422243221).

The spelling of 1122211121010 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty-one thousand, ten".