1021211211022 has 8 divisors (see below), whose sum is σ = 1538391138336. Its totient is φ = 508414164912.

The previous prime is 1021211211017. The next prime is 1021211211043. The reversal of 1021211211022 is 2201121121201.

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 = 1021211210987 and 1021211211005.

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, 1095719718 + ... + 1095720649.

It is an arithmetic number, because the mean of its divisors is an integer number (192298892292).

Almost surely, 2^{1021211211022} is an apocalyptic number.

1021211211022 is a deficient number, since it is larger than the sum of its proper divisors (517179927314).

1021211211022 is a wasteful number, since it uses less digits than its factorization.

1021211211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191440602.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021211211022 its reverse (2201121121201), we get a palindrome (3222332332223).

The spelling of 1021211211022 in words is "one trillion, twenty-one billion, two hundred eleven million, two hundred eleven thousand, twenty-two".