1020221101210 has 16 divisors (see below), whose sum is σ = 1843174363392. Its totient is φ = 406582578000.

The previous prime is 1020221101199. The next prime is 1020221101223. The reversal of 1020221101210 is 121011220201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188229966 + ... + 188235385.

It is an arithmetic number, because the mean of its divisors is an integer number (115198397712).

Almost surely, 2^{1020221101210} is an apocalyptic number.

1020221101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221101210 is a deficient number, since it is larger than the sum of its proper divisors (822953262182).

1020221101210 is a wasteful number, since it uses less digits than its factorization.

1020221101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376465629.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020221101210 its reverse (121011220201), we get a palindrome (1141232321411).

The spelling of 1020221101210 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred one thousand, two hundred ten".