20412121101 has 16 divisors (see below), whose sum is σ = 27493171200. Its totient is φ = 13470066288.

The previous prime is 20412121069. The next prime is 20412121139. The reversal of 20412121101 is 10112121402.

It is not a de Polignac number, because 20412121101 - 2⁵ = 20412121069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412121141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106240 + ... + 228278.

It is an arithmetic number, because the mean of its divisors is an integer number (1718323200).

Almost surely, 2^20412121101 is an apocalyptic number.

It is an amenable number.

20412121101 is a deficient number, since it is larger than the sum of its proper divisors (7081050099).

20412121101 is a wasteful number, since it uses less digits than its factorization.

20412121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122608.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20412121101 its reverse (10112121402), we get a palindrome (30524242503).

The spelling of 20412121101 in words is "twenty billion, four hundred twelve million, one hundred twenty-one thousand, one hundred one".