1121111022210 has 32 divisors (see below), whose sum is σ = 2690697009600. Its totient is φ = 298959544128.

The previous prime is 1121111022167. The next prime is 1121111022233. The reversal of 1121111022210 is 122201111211.

It is a happy number.

It is a super-2 number, since 2×1121111022210² (a number of 25 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1121111022210.

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, 3590941 + ... + 3890639.

It is an arithmetic number, because the mean of its divisors is an integer number (84084281550).

Almost surely, 2^{1121111022210} is an apocalyptic number.

1121111022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121111022210 is an abundant number, since it is smaller than the sum of its proper divisors (1569585987390).

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

1121111022210 is a wasteful number, since it uses less digits than its factorization.

1121111022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424402.

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

Adding to 1121111022210 its reverse (122201111211), we get a palindrome (1243312133421).

The spelling of 1121111022210 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, twenty-two thousand, two hundred ten".