210012212122111 has 8 divisors (see below), whose sum is σ = 240111246538880. Its totient is φ = 179937500162328.

The previous prime is 210012212122091. The next prime is 210012212122169. The reversal of 210012212122111 is 111221212210012.

It is a happy number.

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 210012212122111 - 2⁷ = 210012212121983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012212122171) 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, 6080595741 + ... + 6080630278.

It is an arithmetic number, because the mean of its divisors is an integer number (30013905817360).

Almost surely, 2^{210012212122111} is an apocalyptic number.

210012212122111 is a deficient number, since it is larger than the sum of its proper divisors (30099034416769).

210012212122111 is a wasteful number, since it uses less digits than its factorization.

210012212122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12161228493.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 210012212122111 its reverse (111221212210012), we get a palindrome (321233424332123).

The spelling of 210012212122111 in words is "two hundred ten trillion, twelve billion, two hundred twelve million, one hundred twenty-two thousand, one hundred eleven".