1021012201311 has 8 divisors (see below), whose sum is σ = 1365141663360. Its totient is φ = 678778770072.

The previous prime is 1021012201277. The next prime is 1021012201331. The reversal of 1021012201311 is 1131022101201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1021012201311 - 2⁶ = 1021012201247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021012201331) 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, 474006445 + ... + 474008598.

It is an arithmetic number, because the mean of its divisors is an integer number (170642707920).

Almost surely, 2^{1021012201311} is an apocalyptic number.

1021012201311 is a deficient number, since it is larger than the sum of its proper divisors (344129462049).

1021012201311 is an equidigital number, since it uses as much as digits as its factorization.

1021012201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948015405.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1021012201311 its reverse (1131022101201), we get a palindrome (2152034302512).

The spelling of 1021012201311 in words is "one trillion, twenty-one billion, twelve million, two hundred one thousand, three hundred eleven".