1011212022001 has 16 divisors (see below), whose sum is σ = 1094709168000. Its totient is φ = 931201414528.

The previous prime is 1011212021977. The next prime is 1011212022019. The reversal of 1011212022001 is 1002202121101.

It is a cyclic number.

It is not a de Polignac number, because 1011212022001 - 2⁵ = 1011212021969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011212022701) 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, 1953076 + ... + 2415973.

It is an arithmetic number, because the mean of its divisors is an integer number (68419323000).

Almost surely, 2^{1011212022001} is an apocalyptic number.

It is an amenable number.

1011212022001 is a deficient number, since it is larger than the sum of its proper divisors (83497145999).

1011212022001 is a wasteful number, since it uses less digits than its factorization.

1011212022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369448.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011212022001 its reverse (1002202121101), we get a palindrome (2013414143102).

The spelling of 1011212022001 in words is "one trillion, eleven billion, two hundred twelve million, twenty-two thousand, one".