1012020220011 has 8 divisors (see below), whose sum is σ = 1350006856704. Its totient is φ = 674356865000.

The previous prime is 1012020220007. The next prime is 1012020220069. The reversal of 1012020220011 is 1100220202101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012020220011 - 2² = 1012020220007 is a prime.

It is a super-2 number, since 2×1012020220011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012020270011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80813115 + ... + 80825636.

It is an arithmetic number, because the mean of its divisors is an integer number (168750857088).

Almost surely, 2^{1012020220011} is an apocalyptic number.

1012020220011 is a deficient number, since it is larger than the sum of its proper divisors (337986636693).

1012020220011 is a wasteful number, since it uses less digits than its factorization.

1012020220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161640841.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012020220011 its reverse (1100220202101), we get a palindrome (2112240422112).

The spelling of 1012020220011 in words is "one trillion, twelve billion, twenty million, two hundred twenty thousand, eleven".