20122010001021 has 8 divisors (see below), whose sum is σ = 27335560756320. Its totient is φ = 13161566289872.

The previous prime is 20122010001013. The next prime is 20122010001029. The reversal of 20122010001021 is 12010001022102.

It is an interprime number because it is at equal distance from previous prime (20122010001013) and next prime (20122010001029).

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 20122010001021 - 2³ = 20122010001013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20122010000988 and 20122010001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122010001029) 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, 63276760851 + ... + 63276761168.

It is an arithmetic number, because the mean of its divisors is an integer number (3416945094540).

Almost surely, 2^{20122010001021} is an apocalyptic number.

It is an amenable number.

20122010001021 is a deficient number, since it is larger than the sum of its proper divisors (7213550755299).

20122010001021 is a wasteful number, since it uses less digits than its factorization.

20122010001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126553522075.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20122010001021 its reverse (12010001022102), we get a palindrome (32132011023123).

The spelling of 20122010001021 in words is "twenty trillion, one hundred twenty-two billion, ten million, one thousand, twenty-one".