1200102222021 has 32 divisors (see below), whose sum is σ = 1639011888000. Its totient is φ = 780877363200.

The previous prime is 1200102221977. The next prime is 1200102222031. The reversal of 1200102222021 is 1202222010021.

It is not a de Polignac number, because 1200102222021 - 2¹⁸ = 1200101959877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200102222031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11959585 + ... + 12059513.

It is an arithmetic number, because the mean of its divisors is an integer number (51219121500).

Almost surely, 2^{1200102222021} is an apocalyptic number.

It is an amenable number.

1200102222021 is a deficient number, since it is larger than the sum of its proper divisors (438909665979).

1200102222021 is a wasteful number, since it uses less digits than its factorization.

1200102222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100549.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200102222021 its reverse (1202222010021), we get a palindrome (2402324232042).

The spelling of 1200102222021 in words is "one trillion, two hundred billion, one hundred two million, two hundred twenty-two thousand, twenty-one".