20011202101 has 8 divisors (see below), whose sum is σ = 21833244000. Its totient is φ = 18189633840.

The previous prime is 20011202087. The next prime is 20011202111. The reversal of 20011202101 is 10120211002.

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 20011202101 - 2³³ = 11421267509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011202111) 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, 26991 + ... + 201868.

It is an arithmetic number, because the mean of its divisors is an integer number (2729155500).

Almost surely, 2^20011202101 is an apocalyptic number.

It is an amenable number.

20011202101 is a deficient number, since it is larger than the sum of its proper divisors (1822041899).

20011202101 is a wasteful number, since it uses less digits than its factorization.

20011202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236819.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20011202101 its reverse (10120211002), we get a palindrome (30131413103).

The spelling of 20011202101 in words is "twenty billion, eleven million, two hundred two thousand, one hundred one".