20022100021011 has 16 divisors (see below), whose sum is σ = 29251349981568. Its totient is φ = 12081149654400.

The previous prime is 20022100021003. The next prime is 20022100021057. The reversal of 20022100021011 is 11012000122002.

It is not a de Polignac number, because 20022100021011 - 2³ = 20022100021003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022100021111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336402870 + ... + 1336417851.

It is an arithmetic number, because the mean of its divisors is an integer number (1828209373848).

Almost surely, 2^{20022100021011} is an apocalyptic number.

20022100021011 is a deficient number, since it is larger than the sum of its proper divisors (9229249960557).

20022100021011 is a wasteful number, since it uses less digits than its factorization.

20022100021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672820962.

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

Adding to 20022100021011 its reverse (11012000122002), we get a palindrome (31034100143013).

The spelling of 20022100021011 in words is "twenty trillion, twenty-two billion, one hundred million, twenty-one thousand, eleven".