212020111221120 has 96 divisors (see below), whose sum is σ = 732131946580320. Its totient is φ = 56538696324096.

The previous prime is 212020111221067. The next prime is 212020111221229. The reversal of 212020111221120 is 21122111020212.

212020111221120 is a `hidden beast` number, since 2 + 120 + 201 + 1 + 1 + 221 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212020111221093 and 212020111221102.

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, 18404517784 + ... + 18404529303.

It is an arithmetic number, because the mean of its divisors is an integer number (7626374443545).

Almost surely, 2^{212020111221120} is an apocalyptic number.

212020111221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020111221120 is an abundant number, since it is smaller than the sum of its proper divisors (520111835359200).

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

212020111221120 is a wasteful number, since it uses less digits than its factorization.

212020111221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36809047112 (or 36809047097 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212020111221120 its reverse (21122111020212), we get a palindrome (233142222241332).

The spelling of 212020111221120 in words is "two hundred twelve trillion, twenty billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twenty".