2021012000106 has 16 divisors (see below), whose sum is σ = 4409480727648. Its totient is φ = 612427878800.

The previous prime is 2021012000071. The next prime is 2021012000153. The reversal of 2021012000106 is 6010002101202.

It is a super-2 number, since 2×2021012000106² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15310696905 + ... + 15310697036.

It is an arithmetic number, because the mean of its divisors is an integer number (275592545478).

Almost surely, 2^{2021012000106} is an apocalyptic number.

2021012000106 is an abundant number, since it is smaller than the sum of its proper divisors (2388468727542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021012000106 is a wasteful number, since it uses less digits than its factorization.

2021012000106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30621393957.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2021012000106 its reverse (6010002101202), we get a palindrome (8031014101308).

The spelling of 2021012000106 in words is "two trillion, twenty-one billion, twelve million, one hundred six", and thus it is an aban number.