2111211020000 has 120 divisors (see below), whose sum is σ = 5372997121800.
Its totient is φ = 815364032000.
The previous prime is 2111211019979. The next prime is 2111211020041. The reversal of 2111211020000 is 201121112.
Adding to 2111211020000 its reverse (201121112), we get a palindrome (2111412141112).
It is a super-4 number, since 4×21112110200004 (a number of 50 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1240010 + ... + 2400009.
It is an arithmetic number, because the mean of its divisors is an integer number (44774976015).
Almost surely, 22111211020000 is an apocalyptic number.
2111211020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2111211020000 is an abundant number, since it is smaller than the sum of its proper divisors (3261786101800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2111211020000 is an equidigital number, since it uses as much as digits as its factorization.
2111211020000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3640078 (or 3640055 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
The spelling of 2111211020000 in words is "two trillion, one hundred eleven billion, two hundred eleven million, twenty thousand".