1021010222001 has 16 divisors (see below), whose sum is σ = 1697263746048. Its totient is φ = 530394920400.

The previous prime is 1021010221997. The next prime is 1021010222041. The reversal of 1021010222001 is 1002220101201.

It is not a de Polignac number, because 1021010222001 - 2² = 1021010221997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021010222041) 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, 2209978605 + ... + 2209979066.

It is an arithmetic number, because the mean of its divisors is an integer number (106078984128).

Almost surely, 2^{1021010222001} is an apocalyptic number.

1021010222001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1021010222001 is a deficient number, since it is larger than the sum of its proper divisors (676253524047).

1021010222001 is a wasteful number, since it uses less digits than its factorization.

1021010222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419957692.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1021010222001 its reverse (1002220101201), we get a palindrome (2023230323202).

The spelling of 1021010222001 in words is "one trillion, twenty-one billion, ten million, two hundred twenty-two thousand, one".