1111021220122 has 16 divisors (see below), whose sum is σ = 1818564423552. Its totient is φ = 504862506720.

The previous prime is 1111021220087. The next prime is 1111021220131. The reversal of 1111021220122 is 2210221201111.

It is a super-2 number, since 2×1111021220122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111021220096 and 1111021220105.

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, 7279698 + ... + 7430749.

It is an arithmetic number, because the mean of its divisors is an integer number (113660276472).

Almost surely, 2^{1111021220122} is an apocalyptic number.

1111021220122 is a deficient number, since it is larger than the sum of its proper divisors (707543203430).

1111021220122 is a wasteful number, since it uses less digits than its factorization.

1111021220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14713893.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1111021220122 its reverse (2210221201111), we get a palindrome (3321242421233).

The spelling of 1111021220122 in words is "one trillion, one hundred eleven billion, twenty-one million, two hundred twenty thousand, one hundred twenty-two".