1012002121211 has 8 divisors (see below), whose sum is σ = 1017053344944. Its totient is φ = 1006958988000.

The previous prime is 1012002121159. The next prime is 1012002121219. The reversal of 1012002121211 is 1121212002101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012002121211 is a prime.

It is a super-2 number, since 2×1012002121211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012002121219) 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, 1771760 + ... + 2272253.

It is an arithmetic number, because the mean of its divisors is an integer number (127131668118).

Almost surely, 2^{1012002121211} is an apocalyptic number.

1012002121211 is a deficient number, since it is larger than the sum of its proper divisors (5051223733).

1012002121211 is an equidigital number, since it uses as much as digits as its factorization.

1012002121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045261.

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

Adding to 1012002121211 its reverse (1121212002101), we get a palindrome (2133214123312).

The spelling of 1012002121211 in words is "one trillion, twelve billion, two million, one hundred twenty-one thousand, two hundred eleven".