1011202021201 has 16 divisors (see below), whose sum is σ = 1019858434560. Its totient is φ = 1002594067200.

The previous prime is 1011202021097. The next prime is 1011202021243. The reversal of 1011202021201 is 1021202021101.

It is a cyclic number.

It is not a de Polignac number, because 1011202021201 - 2¹⁷ = 1011201890129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011202021001) 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, 46530400 + ... + 46552126.

It is an arithmetic number, because the mean of its divisors is an integer number (63741152160).

Almost surely, 2^{1011202021201} is an apocalyptic number.

It is an amenable number.

1011202021201 is a deficient number, since it is larger than the sum of its proper divisors (8656413359).

1011202021201 is a wasteful number, since it uses less digits than its factorization.

1011202021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22824.

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

Adding to 1011202021201 its reverse (1021202021101), we get a palindrome (2032404042302).

The spelling of 1011202021201 in words is "one trillion, eleven billion, two hundred two million, twenty-one thousand, two hundred one".