11012011100988 has 48 divisors (see below), whose sum is σ = 26541391908864. Its totient is φ = 3549872589120.

The previous prime is 11012011100963. The next prime is 11012011101031. The reversal of 11012011100988 is 88900111021011.

It is a happy number.

It is a super-2 number, since 2×11012011100988² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 9400495 + ... + 10506822.

It is an arithmetic number, because the mean of its divisors is an integer number (552945664768).

Almost surely, 2^{11012011100988} is an apocalyptic number.

It is an amenable number.

11012011100988 is an abundant number, since it is smaller than the sum of its proper divisors (15529380807876).

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

11012011100988 is a wasteful number, since it uses less digits than its factorization.

11012011100988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19908842 (or 19908840 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 33.

Adding to 11012011100988 its reverse (88900111021011), we get a palindrome (99912122121999).

The spelling of 11012011100988 in words is "eleven trillion, twelve billion, eleven million, one hundred thousand, nine hundred eighty-eight".