212010102121001 has 4 divisors (see below), whose sum is σ = 215174432003472. Its totient is φ = 208845772238532.

The previous prime is 212010102120997. The next prime is 212010102121049. The reversal of 212010102121001 is 100121201010212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212010102121001 - 2² = 212010102120997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212010102121201) 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, 1582164941135 + ... + 1582164941268.

It is an arithmetic number, because the mean of its divisors is an integer number (53793608000868).

Almost surely, 2^{212010102121001} is an apocalyptic number.

It is an amenable number.

212010102121001 is a deficient number, since it is larger than the sum of its proper divisors (3164329882471).

212010102121001 is an equidigital number, since it uses as much as digits as its factorization.

212010102121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164329882470.

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

Adding to 212010102121001 its reverse (100121201010212), we get a palindrome (312131303131213).

It can be divided in two parts, 21201010212 and 1001, that multiplied together give a palindrome (21222211222212).

The spelling of 212010102121001 in words is "two hundred twelve trillion, ten billion, one hundred two million, one hundred twenty-one thousand, one".