1121021101202 has 4 divisors (see below), whose sum is σ = 1681531651806. Its totient is φ = 560510550600.

The previous prime is 1121021101201. The next prime is 1121021101219. The reversal of 1121021101202 is 2021011201211.

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

It can be written as a sum of positive squares in only one way, i.e., 897792255361 + 223228845841 = 947519^2 + 472471^2 .

It is not an unprimeable number, because it can be changed into a prime (1121021101201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280255275299 + ... + 280255275302.

Almost surely, 2^{1121021101202} is an apocalyptic number.

1121021101202 is a deficient number, since it is larger than the sum of its proper divisors (560510550604).

1121021101202 is an equidigital number, since it uses as much as digits as its factorization.

1121021101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560510550603.

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

Adding to 1121021101202 its reverse (2021011201211), we get a palindrome (3142032302413).

The spelling of 1121021101202 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one hundred one thousand, two hundred two".