1021122002201 has 16 divisors (see below), whose sum is σ = 1210954871808. Its totient is φ = 842852077200.

The previous prime is 1021122002143. The next prime is 1021122002213. The reversal of 1021122002201 is 1022002211201.

It is not a de Polignac number, because 1021122002201 - 2¹⁸ = 1021121740057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021122002231) 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, 23868995 + ... + 23911736.

It is an arithmetic number, because the mean of its divisors is an integer number (75684679488).

Almost surely, 2^{1021122002201} is an apocalyptic number.

It is an amenable number.

1021122002201 is a deficient number, since it is larger than the sum of its proper divisors (189832869607).

1021122002201 is an equidigital number, since it uses as much as digits as its factorization.

1021122002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47780852.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021122002201 its reverse (1022002211201), we get a palindrome (2043124213402).

The spelling of 1021122002201 in words is "one trillion, twenty-one billion, one hundred twenty-two million, two thousand, two hundred one".