10111022012 has 36 divisors (see below), whose sum is σ = 22166476920. Its totient is φ = 3999963744.

The previous prime is 10111022011. The next prime is 10111022039. The reversal of 10111022012 is 21022011101.

It is a super-2 number, since 2×10111022012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10111021984 and 10111022002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111022011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1981562 + ... + 1986657.

It is an arithmetic number, because the mean of its divisors is an integer number (615735470).

Almost surely, 2^10111022012 is an apocalyptic number.

It is an amenable number.

10111022012 is an abundant number, since it is smaller than the sum of its proper divisors (12055454908).

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

10111022012 is a wasteful number, since it uses less digits than its factorization.

10111022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968250 (or 3968241 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10111022012 its reverse (21022011101), we get a palindrome (31133033113).

The spelling of 10111022012 in words is "ten billion, one hundred eleven million, twenty-two thousand, twelve".