1202101311 has 8 divisors (see below), whose sum is σ = 1606840624. Its totient is φ = 799381440.

The previous prime is 1202101267. The next prime is 1202101349. The reversal of 1202101311 is 1131012021.

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

It is not a de Polignac number, because 1202101311 - 2⁹ = 1202100799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202101111) 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, 503470 + ... + 505851.

It is an arithmetic number, because the mean of its divisors is an integer number (200855078).

Almost surely, 2^1202101311 is an apocalyptic number.

1202101311 is a deficient number, since it is larger than the sum of its proper divisors (404739313).

1202101311 is a wasteful number, since it uses less digits than its factorization.

1202101311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009721.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1202101311 is about 34671.3326972010. The cubic root of 1202101311 is about 1063.2784786339.

Adding to 1202101311 its reverse (1131012021), we get a palindrome (2333113332).

The spelling of 1202101311 in words is "one billion, two hundred two million, one hundred one thousand, three hundred eleven".