1022111202021 has 16 divisors (see below), whose sum is σ = 1677310690944. Its totient is φ = 539135578944.

The previous prime is 1022111201987. The next prime is 1022111202031. The reversal of 1022111202021 is 1202021112201.

It is not a de Polignac number, because 1022111202021 - 2¹⁹ = 1022110677733 is a prime.

It is a super-3 number, since 3×1022111202021³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022111202031) 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, 1871998266 + ... + 1871998811.

It is an arithmetic number, because the mean of its divisors is an integer number (104831918184).

Almost surely, 2^{1022111202021} is an apocalyptic number.

It is an amenable number.

1022111202021 is a deficient number, since it is larger than the sum of its proper divisors (655199488923).

1022111202021 is a wasteful number, since it uses less digits than its factorization.

1022111202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743997100.

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

Adding to 1022111202021 its reverse (1202021112201), we get a palindrome (2224132314222).

The spelling of 1022111202021 in words is "one trillion, twenty-two billion, one hundred eleven million, two hundred two thousand, twenty-one".