10111222012100 has 72 divisors (see below), whose sum is σ = 23937122280288. Its totient is φ = 3676638700800.

The previous prime is 10111222012081. The next prime is 10111222012147. The reversal of 10111222012100 is 121022211101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25059152 + ... + 25459448.

Almost surely, 2^{10111222012100} is an apocalyptic number.

10111222012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111222012100 is an abundant number, since it is smaller than the sum of its proper divisors (13825900268188).

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

10111222012100 is a wasteful number, since it uses less digits than its factorization.

10111222012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423285 (or 423278 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10111222012100 its reverse (121022211101), we get a palindrome (10232244223201).

The spelling of 10111222012100 in words is "ten trillion, one hundred eleven billion, two hundred twenty-two million, twelve thousand, one hundred".