1021211202201 has 16 divisors (see below), whose sum is σ = 1368917928000. Its totient is φ = 677161695488.

The previous prime is 1021211202197. The next prime is 1021211202203. The reversal of 1021211202201 is 1022021121201.

It is a cyclic number.

It is not a de Polignac number, because 1021211202201 - 2² = 1021211202197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021211202203) 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, 396 + ... + 1429133.

It is an arithmetic number, because the mean of its divisors is an integer number (85557370500).

Almost surely, 2^{1021211202201} is an apocalyptic number.

It is an amenable number.

1021211202201 is a deficient number, since it is larger than the sum of its proper divisors (347706725799).

1021211202201 is a wasteful number, since it uses less digits than its factorization.

1021211202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430808.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021211202201 its reverse (1022021121201), we get a palindrome (2043232323402).

The spelling of 1021211202201 in words is "one trillion, twenty-one billion, two hundred eleven million, two hundred two thousand, two hundred one".