1211020231022 has 8 divisors (see below), whose sum is σ = 2076034681776. Its totient is φ = 519008670432.

The previous prime is 1211020230997. The next prime is 1211020231061. The reversal of 1211020231022 is 2201320201121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43250722523 + ... + 43250722550.

It is an arithmetic number, because the mean of its divisors is an integer number (259504335222).

Almost surely, 2^{1211020231022} is an apocalyptic number.

1211020231022 is a deficient number, since it is larger than the sum of its proper divisors (865014450754).

1211020231022 is an equidigital number, since it uses as much as digits as its factorization.

1211020231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86501445082.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1211020231022 its reverse (2201320201121), we get a palindrome (3412340432143).

The spelling of 1211020231022 in words is "one trillion, two hundred eleven billion, twenty million, two hundred thirty-one thousand, twenty-two".