1021001211022 has 32 divisors (see below), whose sum is σ = 1748635342272. Its totient is φ = 442925812224.

The previous prime is 1021001210993. The next prime is 1021001211067. The reversal of 1021001211022 is 2201121001201.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1021001210993 and 1021001211011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191138 + ... + 1860325.

It is an arithmetic number, because the mean of its divisors is an integer number (54644854446).

Almost surely, 2^{1021001211022} is an apocalyptic number.

1021001211022 is a deficient number, since it is larger than the sum of its proper divisors (727634131250).

1021001211022 is a wasteful number, since it uses less digits than its factorization.

1021001211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052252.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021001211022 its reverse (2201121001201), we get a palindrome (3222122212223).

The spelling of 1021001211022 in words is "one trillion, twenty-one billion, one million, two hundred eleven thousand, twenty-two".