1021061606201 has 16 divisors (see below), whose sum is σ = 1257158160384. Its totient is φ = 807572735424.

The previous prime is 1021061606197. The next prime is 1021061606219. The reversal of 1021061606201 is 1026061601201.

It is not a de Polignac number, because 1021061606201 - 2² = 1021061606197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021061606231) 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, 1838201 + ... + 2328326.

It is an arithmetic number, because the mean of its divisors is an integer number (78572385024).

Almost surely, 2^{1021061606201} is an apocalyptic number.

It is an amenable number.

1021061606201 is a deficient number, since it is larger than the sum of its proper divisors (236096554183).

1021061606201 is a wasteful number, since it uses less digits than its factorization.

1021061606201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169240.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1021061606201 in words is "one trillion, twenty-one billion, sixty-one million, six hundred six thousand, two hundred one".