210220222011001 has 4 divisors (see below), whose sum is σ = 210221696276352. Its totient is φ = 210218747745652.

The previous prime is 210220222010989. The next prime is 210220222011053. The reversal of 210220222011001 is 100110222022012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210220222011001 - 2⁹ = 210220222010489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210220222011901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736918765 + ... + 737203978.

It is an arithmetic number, because the mean of its divisors is an integer number (52555424069088).

Almost surely, 2^{210220222011001} is an apocalyptic number.

It is an amenable number.

210220222011001 is a deficient number, since it is larger than the sum of its proper divisors (1474265351).

210220222011001 is a wasteful number, since it uses less digits than its factorization.

210220222011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474265350.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210220222011001 its reverse (100110222022012), we get a palindrome (310330444033013).

The spelling of 210220222011001 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-two million, eleven thousand, one".