1201021021022 has 8 divisors (see below), whose sum is σ = 1801537458336. Its totient is φ = 600508534912.

The previous prime is 1201021021009. The next prime is 1201021021037. The reversal of 1201021021022 is 2201201201021.

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

It is a junction number, because it is equal to n+sod(n) for n = 1201021020988 and 1201021021006.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49718 + ... + 1550649.

It is an arithmetic number, because the mean of its divisors is an integer number (225192182292).

Almost surely, 2^{1201021021022} is an apocalyptic number.

1201021021022 is a deficient number, since it is larger than the sum of its proper divisors (600516437314).

1201021021022 is a wasteful number, since it uses less digits than its factorization.

1201021021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975602.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1201021021022 its reverse (2201201201021), we get a palindrome (3402222222043).

The spelling of 1201021021022 in words is "one trillion, two hundred one billion, twenty-one million, twenty-one thousand, twenty-two".