1121111221022 has 16 divisors (see below), whose sum is σ = 1906342967760. Its totient is φ = 490202476992.

The previous prime is 1121111220997. The next prime is 1121111221057. The reversal of 1121111221022 is 2201221111211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134727463 + ... + 1134728450.

It is an arithmetic number, because the mean of its divisors is an integer number (119146435485).

Almost surely, 2^{1121111221022} is an apocalyptic number.

1121111221022 is a deficient number, since it is larger than the sum of its proper divisors (785231746738).

1121111221022 is a wasteful number, since it uses less digits than its factorization.

1121111221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269455947.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121111221022 its reverse (2201221111211), we get a palindrome (3322332332233).

The spelling of 1121111221022 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, two hundred twenty-one thousand, twenty-two".