1201102300021 has 8 divisors (see below), whose sum is σ = 1301430337760. Its totient is φ = 1101907912752.

The previous prime is 1201102300019. The next prime is 1201102300043. The reversal of 1201102300021 is 1200032011021.

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 1201102300021 - 2¹ = 1201102300019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201102299974 and 1201102300010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201102300121) 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, 283410411 + ... + 283414648.

It is an arithmetic number, because the mean of its divisors is an integer number (162678792220).

Almost surely, 2^{1201102300021} is an apocalyptic number.

It is an amenable number.

1201102300021 is a deficient number, since it is larger than the sum of its proper divisors (100328037739).

1201102300021 is a wasteful number, since it uses less digits than its factorization.

1201102300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566825235.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1201102300021 its reverse (1200032011021), we get a palindrome (2401134311042).

The spelling of 1201102300021 in words is "one trillion, two hundred one billion, one hundred two million, three hundred thousand, twenty-one".