211011202121120 has 48 divisors (see below), whose sum is σ = 498522076996608. Its totient is φ = 84403107390720.

The previous prime is 211011202121051. The next prime is 211011202121149. The reversal of 211011202121120 is 21121202110112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838364 + ... + 20560283.

It is an arithmetic number, because the mean of its divisors is an integer number (10385876604096).

Almost surely, 2^{211011202121120} is an apocalyptic number.

211011202121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211011202121120 is an abundant number, since it is smaller than the sum of its proper divisors (287510874875488).

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

211011202121120 is a wasteful number, since it uses less digits than its factorization.

211011202121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21460293 (or 21460285 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211011202121120 its reverse (21121202110112), we get a palindrome (232132404231232).

The spelling of 211011202121120 in words is "two hundred eleven trillion, eleven billion, two hundred two million, one hundred twenty-one thousand, one hundred twenty".