1021202022201 has 8 divisors (see below), whose sum is σ = 1367446485600. Its totient is φ = 677879453472.

The previous prime is 1021202022193. The next prime is 1021202022221. The reversal of 1021202022201 is 1022202021201.

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

It is not a de Polignac number, because 1021202022201 - 2³ = 1021202022193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021202022221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730472851 + ... + 730474248.

It is an arithmetic number, because the mean of its divisors is an integer number (170930810700).

Almost surely, 2^{1021202022201} is an apocalyptic number.

It is an amenable number.

1021202022201 is a deficient number, since it is larger than the sum of its proper divisors (346244463399).

1021202022201 is a wasteful number, since it uses less digits than its factorization.

1021202022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460947335.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1021202022201 its reverse (1022202021201), we get a palindrome (2043404043402).

The spelling of 1021202022201 in words is "one trillion, twenty-one billion, two hundred two million, twenty-two thousand, two hundred one".