1111020212122 has 16 divisors (see below), whose sum is σ = 1739201052672. Its totient is φ = 531292441680.

The previous prime is 1111020212117. The next prime is 1111020212149. The reversal of 1111020212122 is 2212120201111.

It is a super-2 number, since 2×1111020212122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111020212096 and 1111020212105.

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, 1097553 + ... + 1851124.

It is an arithmetic number, because the mean of its divisors is an integer number (108700065792).

Almost surely, 2^{1111020212122} is an apocalyptic number.

1111020212122 is a deficient number, since it is larger than the sum of its proper divisors (628180840550).

1111020212122 is a wasteful number, since it uses less digits than its factorization.

1111020212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956893.

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

Adding to 1111020212122 its reverse (2212120201111), we get a palindrome (3323140413233).

The spelling of 1111020212122 in words is "one trillion, one hundred eleven billion, twenty million, two hundred twelve thousand, one hundred twenty-two".