1202100101011 has 4 divisors (see below), whose sum is σ = 1265368527400. Its totient is φ = 1138831674624.

The previous prime is 1202100100991. The next prime is 1202100101017. The reversal of 1202100101011 is 1101010012021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1202100101011 - 2¹¹ = 1202100098963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202100101017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31634213166 + ... + 31634213203.

It is an arithmetic number, because the mean of its divisors is an integer number (316342131850).

Almost surely, 2^{1202100101011} is an apocalyptic number.

1202100101011 is a deficient number, since it is larger than the sum of its proper divisors (63268426389).

1202100101011 is an equidigital number, since it uses as much as digits as its factorization.

1202100101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63268426388.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1202100101011 its reverse (1101010012021), we get a palindrome (2303110113032).

The spelling of 1202100101011 in words is "one trillion, two hundred two billion, one hundred million, one hundred one thousand, eleven".