10111212110202 has 32 divisors (see below), whose sum is σ = 23118709606272. Its totient is φ = 2887996790784.

The previous prime is 10111212110177. The next prime is 10111212110221. The reversal of 10111212110202 is 20201121211101.

It is a happy number.

It is a super-2 number, since 2×10111212110202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38239803 + ... + 38503310.

It is an arithmetic number, because the mean of its divisors is an integer number (722459675196).

Almost surely, 2^{10111212110202} is an apocalyptic number.

10111212110202 is an abundant number, since it is smaller than the sum of its proper divisors (13007497496070).

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

10111212110202 is a wasteful number, since it uses less digits than its factorization.

10111212110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76746262.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10111212110202 its reverse (20201121211101), we get a palindrome (30312333321303).

The spelling of 10111212110202 in words is "ten trillion, one hundred eleven billion, two hundred twelve million, one hundred ten thousand, two hundred two".