1022021102011 has 16 divisors (see below), whose sum is σ = 1260711615744. Its totient is φ = 806806694304.

The previous prime is 1022021102009. The next prime is 1022021102017. The reversal of 1022021102011 is 1102011202201.

It is not a de Polignac number, because 1022021102011 - 2¹ = 1022021102009 is a prime.

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 = 1022021101982 and 1022021102000.

It is not an unprimeable number, because it can be changed into a prime (1022021102017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12635761 + ... + 12716386.

It is an arithmetic number, because the mean of its divisors is an integer number (78794475984).

Almost surely, 2^{1022021102011} is an apocalyptic number.

1022021102011 is a deficient number, since it is larger than the sum of its proper divisors (238690513733).

1022021102011 is a wasteful number, since it uses less digits than its factorization.

1022021102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25352610.

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

Adding to 1022021102011 its reverse (1102011202201), we get a palindrome (2124032304212).

The spelling of 1022021102011 in words is "one trillion, twenty-two billion, twenty-one million, one hundred two thousand, eleven".