211111030020000 has 240 divisors, whose sum is σ = 755439712185312. Its totient is φ = 51178431360000.

The previous prime is 211111030019963. The next prime is 211111030020071. The reversal of 211111030020000 is 20030111112.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×211111030020000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 159272599 + ... + 160592598.

Almost surely, 2^{211111030020000} is an apocalyptic number.

211111030020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211111030020000 is an abundant number, since it is smaller than the sum of its proper divisors (544328682165312).

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

211111030020000 is a wasteful number, since it uses less digits than its factorization.

211111030020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319865241 (or 319865218 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 211111030020000 its reverse (20030111112), we get a palindrome (211131060131112).

The spelling of 211111030020000 in words is "two hundred eleven trillion, one hundred eleven billion, thirty million, twenty thousand".