20211010012022 has 4 divisors (see below), whose sum is σ = 30316515018036. Its totient is φ = 10105505006010.

The previous prime is 20211010012021. The next prime is 20211010012033. The reversal of 20211010012022 is 22021001011202.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20211010011988 and 20211010012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211010012021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052752503004 + ... + 5052752503007.

It is an arithmetic number, because the mean of its divisors is an integer number (7579128754509).

Almost surely, 2^{20211010012022} is an apocalyptic number.

20211010012022 is a deficient number, since it is larger than the sum of its proper divisors (10105505006014).

20211010012022 is a wasteful number, since it uses less digits than its factorization.

20211010012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105505006013.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20211010012022 its reverse (22021001011202), we get a palindrome (42232011023224).

The spelling of 20211010012022 in words is "twenty trillion, two hundred eleven billion, ten million, twelve thousand, twenty-two".