20112201101 has 8 divisors (see below), whose sum is σ = 21790511424. Its totient is φ = 18488917440.

The previous prime is 20112201089. The next prime is 20112201139. The reversal of 20112201101 is 10110221102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112201101 - 2¹⁴ = 20112184717 is a prime.

It is a super-2 number, since 2×20112201101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112201181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13755905 + ... + 13757366.

It is an arithmetic number, because the mean of its divisors is an integer number (2723813928).

Almost surely, 2^20112201101 is an apocalyptic number.

It is an amenable number.

20112201101 is a deficient number, since it is larger than the sum of its proper divisors (1678310323).

20112201101 is a wasteful number, since it uses less digits than its factorization.

20112201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27513331.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20112201101 its reverse (10110221102), we get a palindrome (30222422203).

The spelling of 20112201101 in words is "twenty billion, one hundred twelve million, two hundred one thousand, one hundred one".