1020221112010 has 8 divisors (see below), whose sum is σ = 1836398001636. Its totient is φ = 408088444800.

The previous prime is 1020221111971. The next prime is 1020221112073. The reversal of 1020221112010 is 102111220201.

It can be written as a sum of positive squares in 2 ways, for example, as 1002667776889 + 17553335121 = 1001333^2 + 132489^2 .

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

It is a super-2 number, since 2×1020221112010² (a number of 25 digits) contains 22 as substring.

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, 51011055591 + ... + 51011055610.

Almost surely, 2^{1020221112010} is an apocalyptic number.

1020221112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221112010 is a deficient number, since it is larger than the sum of its proper divisors (816176889626).

1020221112010 is a wasteful number, since it uses less digits than its factorization.

1020221112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102022111208.

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

Adding to 1020221112010 its reverse (102111220201), we get a palindrome (1122332332211).

The spelling of 1020221112010 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred twelve thousand, ten".