20111010012022 has 4 divisors (see below), whose sum is σ = 30166515018036. Its totient is φ = 10055505006010.

The previous prime is 20111010012017. The next prime is 20111010012089. The reversal of 20111010012022 is 22021001011102.

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 = 20111010011993 and 20111010012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027752503004 + ... + 5027752503007.

It is an arithmetic number, because the mean of its divisors is an integer number (7541628754509).

Almost surely, 2^{20111010012022} is an apocalyptic number.

20111010012022 is a deficient number, since it is larger than the sum of its proper divisors (10055505006014).

20111010012022 is a wasteful number, since it uses less digits than its factorization.

20111010012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055505006013.

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

Adding to 20111010012022 its reverse (22021001011102), we get a palindrome (42132011023124).

The spelling of 20111010012022 in words is "twenty trillion, one hundred eleven billion, ten million, twelve thousand, twenty-two".