10111212200011 has 16 divisors (see below), whose sum is σ = 10990105045920. Its totient is φ = 9246782085120.

The previous prime is 10111212200009. The next prime is 10111212200017. The reversal of 10111212200011 is 11000221211101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10111212200011 - 2¹ = 10111212200009 is a prime.

It is a super-2 number, since 2×10111212200011² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10111212199964 and 10111212200000.

It is not an unprimeable number, because it can be changed into a prime (10111212200017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12652971 + ... + 13428331.

It is an arithmetic number, because the mean of its divisors is an integer number (686881565370).

Almost surely, 2^{10111212200011} is an apocalyptic number.

10111212200011 is a deficient number, since it is larger than the sum of its proper divisors (878892845909).

10111212200011 is a wasteful number, since it uses less digits than its factorization.

10111212200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784686.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10111212200011 its reverse (11000221211101), we get a palindrome (21111433411112).

The spelling of 10111212200011 in words is "ten trillion, one hundred eleven billion, two hundred twelve million, two hundred thousand, eleven".