1122111011210 has 128 divisors (see below), whose sum is σ = 2454404198400. Its totient is φ = 361078248960.

The previous prime is 1122111011101. The next prime is 1122111011227. The reversal of 1122111011210 is 121101112211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18741101 + ... + 18800879.

It is an arithmetic number, because the mean of its divisors is an integer number (19175032800).

Almost surely, 2^{1122111011210} is an apocalyptic number.

1122111011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122111011210 is an abundant number, since it is smaller than the sum of its proper divisors (1332293187190).

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

1122111011210 is a wasteful number, since it uses less digits than its factorization.

1122111011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60036.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1122111011210 its reverse (121101112211), we get a palindrome (1243212123421).

The spelling of 1122111011210 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, eleven thousand, two hundred ten".