220100021011012 has 6 divisors (see below), whose sum is σ = 385175036769278. Its totient is φ = 110050010505504.

The previous prime is 220100021011001. The next prime is 220100021011061. The reversal of 220100021011012 is 210110120001022.

It can be written as a sum of positive squares in only one way, i.e., 158284983050496 + 61815037960516 = 12581136^2 + 7862254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220100021010983 and 220100021011001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27512502626373 + ... + 27512502626380.

Almost surely, 2^{220100021011012} is an apocalyptic number.

It is an amenable number.

220100021011012 is a deficient number, since it is larger than the sum of its proper divisors (165075015758266).

220100021011012 is a wasteful number, since it uses less digits than its factorization.

220100021011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55025005252757 (or 55025005252755 counting only the distinct ones).

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

Adding to 220100021011012 its reverse (210110120001022), we get a palindrome (430210141012034).

The spelling of 220100021011012 in words is "two hundred twenty trillion, one hundred billion, twenty-one million, eleven thousand, twelve".