21050201112 has 32 divisors (see below), whose sum is σ = 52744322880. Its totient is φ = 7000891040.

The previous prime is 21050201101. The next prime is 21050201113. The reversal of 21050201112 is 21110205012.

21050201112 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×21050201112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21050201091 and 21050201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21050201113) 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, 979314 + ... + 1000577.

It is an arithmetic number, because the mean of its divisors is an integer number (1648260090).

Almost surely, 2^21050201112 is an apocalyptic number.

It is an amenable number.

21050201112 is an abundant number, since it is smaller than the sum of its proper divisors (31694121768).

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

21050201112 is a wasteful number, since it uses less digits than its factorization.

21050201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980343 (or 1980339 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 21050201112 its reverse (21110205012), we get a palindrome (42160406124).

The spelling of 21050201112 in words is "twenty-one billion, fifty million, two hundred one thousand, one hundred twelve".