210220012121001 has 8 divisors (see below), whose sum is σ = 280301558063904. Its totient is φ = 140142570462720.

The previous prime is 210220012120999. The next prime is 210220012121033. The reversal of 210220012121001 is 100121210022012.

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

It is not a de Polignac number, because 210220012121001 - 2¹ = 210220012120999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210220012321001) 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, 1025951640 + ... + 1026156521.

It is an arithmetic number, because the mean of its divisors is an integer number (35037694757988).

Almost surely, 2^{210220012121001} is an apocalyptic number.

It is an amenable number.

210220012121001 is a deficient number, since it is larger than the sum of its proper divisors (70081545942903).

210220012121001 is a wasteful number, since it uses less digits than its factorization.

210220012121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052142311.

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

Adding to 210220012121001 its reverse (100121210022012), we get a palindrome (310341222143013).

The spelling of 210220012121001 in words is "two hundred ten trillion, two hundred twenty billion, twelve million, one hundred twenty-one thousand, one".