21022001211110 has 8 divisors (see below), whose sum is σ = 37839602180016. Its totient is φ = 8408800484440.

The previous prime is 21022001211083. The next prime is 21022001211119. The reversal of 21022001211110 is 1111210022012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022001211119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051100060546 + ... + 1051100060565.

It is an arithmetic number, because the mean of its divisors is an integer number (4729950272502).

Almost surely, 2^{21022001211110} is an apocalyptic number.

21022001211110 is a deficient number, since it is larger than the sum of its proper divisors (16817600968906).

21022001211110 is a wasteful number, since it uses less digits than its factorization.

21022001211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102200121118.

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

Adding to 21022001211110 its reverse (1111210022012), we get a palindrome (22133211233122).

The spelling of 21022001211110 in words is "twenty-one trillion, twenty-two billion, one million, two hundred eleven thousand, one hundred ten".