1342202011021 has 4 divisors (see below), whose sum is σ = 1342398619872. Its totient is φ = 1342005402172.

The previous prime is 1342202011013. The next prime is 1342202011057. The reversal of 1342202011021 is 1201102022431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1342202011021 - 2³ = 1342202011013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342202011021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342202011001) 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, 98294185 + ... + 98307838.

It is an arithmetic number, because the mean of its divisors is an integer number (335599654968).

Almost surely, 2^{1342202011021} is an apocalyptic number.

It is an amenable number.

1342202011021 is a deficient number, since it is larger than the sum of its proper divisors (196608851).

1342202011021 is an equidigital number, since it uses as much as digits as its factorization.

1342202011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196608850.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1342202011021 its reverse (1201102022431), we get a palindrome (2543304033452).

The spelling of 1342202011021 in words is "one trillion, three hundred forty-two billion, two hundred two million, eleven thousand, twenty-one".