20122101021011 has 8 divisors (see below), whose sum is σ = 21956133340848. Its totient is φ = 18288860436000.

The previous prime is 20122101020993. The next prime is 20122101021023. The reversal of 20122101021011 is 11012010122102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20122101021011 - 2¹⁴ = 20122101004627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122101021041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197880560 + ... + 197982221.

It is an arithmetic number, because the mean of its divisors is an integer number (2744516667606).

Almost surely, 2^{20122101021011} is an apocalyptic number.

20122101021011 is a deficient number, since it is larger than the sum of its proper divisors (1834032319837).

20122101021011 is a wasteful number, since it uses less digits than its factorization.

20122101021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395867413.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20122101021011 its reverse (11012010122102), we get a palindrome (31134111143113).

The spelling of 20122101021011 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, twenty-one thousand, eleven".