20012211002101 has 8 divisors (see below), whose sum is σ = 20021160265344. Its totient is φ = 20003262115200.

The previous prime is 20012211002071. The next prime is 20012211002117. The reversal of 20012211002101 is 10120011221002.

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 20012211002101 - 2⁹ = 20012211001589 is a prime.

It is a super-2 number, since 2×20012211002101² (a number of 27 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 (20012211002131) 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, 192619570 + ... + 192723436.

It is an arithmetic number, because the mean of its divisors is an integer number (2502645033168).

Almost surely, 2^{20012211002101} is an apocalyptic number.

It is an amenable number.

20012211002101 is a deficient number, since it is larger than the sum of its proper divisors (8949263243).

20012211002101 is a wasteful number, since it uses less digits than its factorization.

20012211002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188171.

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

Adding to 20012211002101 its reverse (10120011221002), we get a palindrome (30132222223103).

The spelling of 20012211002101 in words is "twenty trillion, twelve billion, two hundred eleven million, two thousand, one hundred one".