1021000101206 has 16 divisors (see below), whose sum is σ = 1560764523840. Its totient is φ = 500827579200.

The previous prime is 1021000101167. The next prime is 1021000101217. The reversal of 1021000101206 is 6021010001201.

It is a Curzon number.

It is a congruent 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, 20554895 + ... + 20604506.

It is an arithmetic number, because the mean of its divisors is an integer number (97547782740).

Almost surely, 2^{1021000101206} is an apocalyptic number.

1021000101206 is a deficient number, since it is larger than the sum of its proper divisors (539764422634).

1021000101206 is a wasteful number, since it uses less digits than its factorization.

1021000101206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41159639.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1021000101206 its reverse (6021010001201), we get a palindrome (7042010102407).

The spelling of 1021000101206 in words is "one trillion, twenty-one billion, one hundred one thousand, two hundred six".