1021222020101 has 8 divisors (see below), whose sum is σ = 1039128598560. Its totient is φ = 1003393808208.

The previous prime is 1021222020097. The next prime is 1021222020149. The reversal of 1021222020101 is 1010202221201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021222020101 - 2² = 1021222020097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021222020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19565351 + ... + 19617476.

It is an arithmetic number, because the mean of its divisors is an integer number (129891074820).

Almost surely, 2^{1021222020101} is an apocalyptic number.

It is an amenable number.

1021222020101 is a deficient number, since it is larger than the sum of its proper divisors (17906578459).

1021222020101 is an equidigital number, since it uses as much as digits as its factorization.

1021222020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39183283.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021222020101 its reverse (1010202221201), we get a palindrome (2031424241302).

The spelling of 1021222020101 in words is "one trillion, twenty-one billion, two hundred twenty-two million, twenty thousand, one hundred one".