32111220101 has 2 divisors, whose sum is σ = 32111220102. Its totient is φ = 32111220100.

The previous prime is 32111220059. The next prime is 32111220107. The reversal of 32111220101 is 10102211123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30142168225 + 1969051876 = 173615^2 + 44374^2 .

It is a cyclic number.

It is not a de Polignac number, because 32111220101 - 2¹⁴ = 32111203717 is a prime.

It is a super-2 number, since 2×32111220101² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32111220107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16055610050 + 16055610051.

It is an arithmetic number, because the mean of its divisors is an integer number (16055610051).

Almost surely, 2^32111220101 is an apocalyptic number.

It is an amenable number.

32111220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

32111220101 is an equidigital number, since it uses as much as digits as its factorization.

32111220101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 32111220101 its reverse (10102211123), we get a palindrome (42213431224).

The spelling of 32111220101 in words is "thirty-two billion, one hundred eleven million, two hundred twenty thousand, one hundred one".