211421101022 has 8 divisors (see below), whose sum is σ = 317819574072. Its totient is φ = 105481243000.

The previous prime is 211421101019. The next prime is 211421101079. The reversal of 211421101022 is 220101124112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114652604 + ... + 114654447.

It is an arithmetic number, because the mean of its divisors is an integer number (39727446759).

Almost surely, 2^211421101022 is an apocalyptic number.

211421101022 is a deficient number, since it is larger than the sum of its proper divisors (106398473050).

211421101022 is a wasteful number, since it uses less digits than its factorization.

211421101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229307514.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211421101022 its reverse (220101124112), we get a palindrome (431522225134).

The spelling of 211421101022 in words is "two hundred eleven billion, four hundred twenty-one million, one hundred one thousand, twenty-two".