1020220011112 has 8 divisors (see below), whose sum is σ = 1912912520850. Its totient is φ = 510110005552.

The previous prime is 1020220011091. The next prime is 1020220011137. The reversal of 1020220011112 is 2111100220201.

It can be written as a sum of positive squares in only one way, i.e., 923701676836 + 96518334276 = 961094^2 + 310674^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1020220011112³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020220011092 and 1020220011101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63763750687 + ... + 63763750702.

Almost surely, 2^{1020220011112} is an apocalyptic number.

It is an amenable number.

1020220011112 is a deficient number, since it is larger than the sum of its proper divisors (892692509738).

1020220011112 is a wasteful number, since it uses less digits than its factorization.

1020220011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127527501395 (or 127527501391 counting only the distinct ones).

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

Adding to 1020220011112 its reverse (2111100220201), we get a palindrome (3131320231313).

The spelling of 1020220011112 in words is "one trillion, twenty billion, two hundred twenty million, eleven thousand, one hundred twelve".