212222010011021 has 8 divisors (see below), whose sum is σ = 214520443371360. Its totient is φ = 209934600312528.

The previous prime is 212222010011009. The next prime is 212222010011027. The reversal of 212222010011021 is 120110010222212.

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

It is a cyclic number.

It is not a de Polignac number, because 212222010011021 - 2³⁸ = 211947132104077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222010011027) 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, 2755876751 + ... + 2755953756.

It is an arithmetic number, because the mean of its divisors is an integer number (26815055421420).

Almost surely, 2^{212222010011021} is an apocalyptic number.

It is an amenable number.

212222010011021 is a deficient number, since it is larger than the sum of its proper divisors (2298433360339).

212222010011021 is a wasteful number, since it uses less digits than its factorization.

212222010011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511830923.

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

Adding to 212222010011021 its reverse (120110010222212), we get a palindrome (332332020233233).

The spelling of 212222010011021 in words is "two hundred twelve trillion, two hundred twenty-two billion, ten million, eleven thousand, twenty-one".