211120101983 has 4 divisors (see below), whose sum is σ = 241280116560. Its totient is φ = 180960087408.

The previous prime is 211120101971. The next prime is 211120101989. The reversal of 211120101983 is 389101021112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211120101983 - 2¹⁴ = 211120085599 is a prime.

It is a super-2 number, since 2×211120101983² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120101989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15080007278 + ... + 15080007291.

It is an arithmetic number, because the mean of its divisors is an integer number (60320029140).

Almost surely, 2^211120101983 is an apocalyptic number.

211120101983 is a deficient number, since it is larger than the sum of its proper divisors (30160014577).

211120101983 is an equidigital number, since it uses as much as digits as its factorization.

211120101983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30160014576.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 211120101983 in words is "two hundred eleven billion, one hundred twenty million, one hundred one thousand, nine hundred eighty-three".