1111012100022 has 96 divisors (see below), whose sum is σ = 2563848516096. Its totient is φ = 320103351040.

The previous prime is 1111012100021. The next prime is 1111012100039. The reversal of 1111012100022 is 2200012101111.

It is a junction number, because it is equal to n+sod(n) for n = 1111012099980 and 1111012100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111012100021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2589358 + ... + 2987774.

It is an arithmetic number, because the mean of its divisors is an integer number (26706755376).

Almost surely, 2^{1111012100022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111012100022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281924258048).

1111012100022 is an abundant number, since it is smaller than the sum of its proper divisors (1452836416074).

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

1111012100022 is a wasteful number, since it uses less digits than its factorization.

1111012100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398634 (or 398623 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1111012100022 its reverse (2200012101111), we get a palindrome (3311024201133).

The spelling of 1111012100022 in words is "one trillion, one hundred eleven billion, twelve million, one hundred thousand, twenty-two".