20221000102111 has 32 divisors (see below), whose sum is σ = 21706172006400. Its totient is φ = 18781428463200.

The previous prime is 20221000102049. The next prime is 20221000102129. The reversal of 20221000102111 is 11120100012202.

It is a de Polignac number, because none of the positive numbers 2^k-20221000102111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20221000102091 and 20221000102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221000102141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 608994636 + ... + 609027838.

It is an arithmetic number, because the mean of its divisors is an integer number (678317875200).

Almost surely, 2^{20221000102111} is an apocalyptic number.

20221000102111 is a deficient number, since it is larger than the sum of its proper divisors (1485171904289).

20221000102111 is a wasteful number, since it uses less digits than its factorization.

20221000102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36139.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20221000102111 its reverse (11120100012202), we get a palindrome (31341100114313).

The spelling of 20221000102111 in words is "twenty trillion, two hundred twenty-one billion, one hundred two thousand, one hundred eleven".