1021211210022 has 8 divisors (see below), whose sum is σ = 2042422420056. Its totient is φ = 340403736672.

The previous prime is 1021211210017. The next prime is 1021211210023. The reversal of 1021211210022 is 2200121121201.

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

1021211210022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1021211209983 and 1021211210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021211210023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85100934163 + ... + 85100934174.

It is an arithmetic number, because the mean of its divisors is an integer number (255302802507).

Almost surely, 2^{1021211210022} is an apocalyptic number.

1021211210022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021211210022 is a wasteful number, since it uses less digits than its factorization.

1021211210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170201868342.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021211210022 its reverse (2200121121201), we get a palindrome (3221332331223).

The spelling of 1021211210022 in words is "one trillion, twenty-one billion, two hundred eleven million, two hundred ten thousand, twenty-two".