2021010122146 has 8 divisors (see below), whose sum is σ = 3031521215184. Its totient is φ = 1010503050420.

The previous prime is 2021010122113. The next prime is 2021010122147. The reversal of 2021010122146 is 6412210101202.

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

It is not an unprimeable number, because it can be changed into a prime (2021010122147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474701 + ... + 2493343.

It is an arithmetic number, because the mean of its divisors is an integer number (378940151898).

Almost surely, 2^{2021010122146} is an apocalyptic number.

2021010122146 is a deficient number, since it is larger than the sum of its proper divisors (1010511093038).

2021010122146 is a wasteful number, since it uses less digits than its factorization.

2021010122146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010656.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 2021010122146 its reverse (6412210101202), we get a palindrome (8433220223348).

The spelling of 2021010122146 in words is "two trillion, twenty-one billion, ten million, one hundred twenty-two thousand, one hundred forty-six".