1021212004011 has 16 divisors (see below), whose sum is σ = 1381218220800. Its totient is φ = 671076654560.

The previous prime is 1021212003991. The next prime is 1021212004027. The reversal of 1021212004011 is 1104002121201.

It is a cyclic number.

It is not a de Polignac number, because 1021212004011 - 2⁹ = 1021212003499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021212004411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8661255 + ... + 8778368.

It is an arithmetic number, because the mean of its divisors is an integer number (86326138800).

Almost surely, 2^{1021212004011} is an apocalyptic number.

1021212004011 is a deficient number, since it is larger than the sum of its proper divisors (360006216789).

1021212004011 is a wasteful number, since it uses less digits than its factorization.

1021212004011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17439906.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021212004011 its reverse (1104002121201), we get a palindrome (2125214125212).

The spelling of 1021212004011 in words is "one trillion, twenty-one billion, two hundred twelve million, four thousand, eleven".