1020221201210 has 8 divisors (see below), whose sum is σ = 1836398162196. Its totient is φ = 408088480480.

The previous prime is 1020221201201. The next prime is 1020221201227. The reversal of 1020221201210 is 121021220201.

It can be written as a sum of positive squares in 2 ways, for example, as 996924368521 + 23296832689 = 998461^2 + 152633^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51011060051 + ... + 51011060070.

Almost surely, 2^{1020221201210} is an apocalyptic number.

1020221201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221201210 is a deficient number, since it is larger than the sum of its proper divisors (816176960986).

1020221201210 is a wasteful number, since it uses less digits than its factorization.

1020221201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102022120128.

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

Adding to 1020221201210 its reverse (121021220201), we get a palindrome (1141242421411).

The spelling of 1020221201210 in words is "one trillion, twenty billion, two hundred twenty-one million, two hundred one thousand, two hundred ten".