1021212201011 has 8 divisors (see below), whose sum is σ = 1021538212560. Its totient is φ = 1020886253568.

The previous prime is 1021212200941. The next prime is 1021212201029. The reversal of 1021212201011 is 1101022121201.

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 1021212201011 - 2¹⁸ = 1021211938867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021212201071) 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, 74550515 + ... + 74564211.

It is an arithmetic number, because the mean of its divisors is an integer number (127692276570).

Almost surely, 2^{1021212201011} is an apocalyptic number.

1021212201011 is a deficient number, since it is larger than the sum of its proper divisors (326011549).

1021212201011 is a wasteful number, since it uses less digits than its factorization.

1021212201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32053.

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

Adding to 1021212201011 its reverse (1101022121201), we get a palindrome (2122234322212).

The spelling of 1021212201011 in words is "one trillion, twenty-one billion, two hundred twelve million, two hundred one thousand, eleven".