212001212211101 has 8 divisors (see below), whose sum is σ = 219326658782880. Its totient is φ = 204676769635632.

The previous prime is 212001212211077. The next prime is 212001212211167. The reversal of 212001212211101 is 101112212100212.

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

It is not a de Polignac number, because 212001212211101 - 2²² = 212001208016797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212001212211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001212217101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250569455 + ... + 251414108.

It is an arithmetic number, because the mean of its divisors is an integer number (27415832347860).

Almost surely, 2^{212001212211101} is an apocalyptic number.

It is an amenable number.

212001212211101 is a deficient number, since it is larger than the sum of its proper divisors (7325446571779).

212001212211101 is a wasteful number, since it uses less digits than its factorization.

212001212211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501998155.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212001212211101 its reverse (101112212100212), we get a palindrome (313113424311313).

The spelling of 212001212211101 in words is "two hundred twelve trillion, one billion, two hundred twelve million, two hundred eleven thousand, one hundred one".