11211122002100 has 36 divisors (see below), whose sum is σ = 24348027189024. Its totient is φ = 4480781990880.

The previous prime is 11211122002099. The next prime is 11211122002121. The reversal of 11211122002100 is 120022111211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45712214 + ... + 45956813.

It is an arithmetic number, because the mean of its divisors is an integer number (676334088584).

Almost surely, 2^{11211122002100} is an apocalyptic number.

11211122002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211122002100 is an abundant number, since it is smaller than the sum of its proper divisors (13136905186924).

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

11211122002100 is a wasteful number, since it uses less digits than its factorization.

11211122002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91670264 (or 91670257 counting only the distinct ones).

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

Adding to 11211122002100 its reverse (120022111211), we get a palindrome (11331144113311).

The spelling of 11211122002100 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-two million, two thousand, one hundred".