1226140201021 has 8 divisors (see below), whose sum is σ = 1230762972960. Its totient is φ = 1221519472752.

The previous prime is 1226140201019. The next prime is 1226140201057. The reversal of 1226140201021 is 1201020416221.

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

It is a cyclic number.

It is not a de Polignac number, because 1226140201021 - 2¹ = 1226140201019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1226140200983 and 1226140201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226147201021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696651 + ... + 1713943.

It is an arithmetic number, because the mean of its divisors is an integer number (153845371620).

Almost surely, 2^{1226140201021} is an apocalyptic number.

It is an amenable number.

1226140201021 is a deficient number, since it is larger than the sum of its proper divisors (4622771939).

1226140201021 is a wasteful number, since it uses less digits than its factorization.

1226140201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021835.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1226140201021 its reverse (1201020416221), we get a palindrome (2427160617242).

The spelling of 1226140201021 in words is "one trillion, two hundred twenty-six billion, one hundred forty million, two hundred one thousand, twenty-one".