1011021212201 has 32 divisors (see below), whose sum is σ = 1357579630848. Its totient is φ = 727141328640.

The previous prime is 1011021211957. The next prime is 1011021212233. The reversal of 1011021212201 is 1022121201101.

It is a cyclic number.

It is not a de Polignac number, because 1011021212201 - 2¹⁴ = 1011021195817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011021214201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12585575 + ... + 12665651.

It is an arithmetic number, because the mean of its divisors is an integer number (42424363464).

Almost surely, 2^{1011021212201} is an apocalyptic number.

1011021212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011021212201 is a deficient number, since it is larger than the sum of its proper divisors (346558418647).

1011021212201 is a wasteful number, since it uses less digits than its factorization.

1011021212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92721.

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

Adding to 1011021212201 its reverse (1022121201101), we get a palindrome (2033142413302).

The spelling of 1011021212201 in words is "one trillion, eleven billion, twenty-one million, two hundred twelve thousand, two hundred one".