1102020212 has 12 divisors (see below), whose sum is σ = 1932833700. Its totient is φ = 549782016.

The previous prime is 1102020187. The next prime is 1102020251. The reversal of 1102020212 is 2120202011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 680375056 + 421645156 = 26084^2 + 20534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1102020193 and 1102020202.

It is a congruent number.

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, 305003 + ... + 308594.

It is an arithmetic number, because the mean of its divisors is an integer number (161069475).

Almost surely, 2^1102020212 is an apocalyptic number.

It is an amenable number.

1102020212 is a deficient number, since it is larger than the sum of its proper divisors (830813488).

1102020212 is a wasteful number, since it uses less digits than its factorization.

1102020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614050 (or 614048 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1102020212 is about 33196.6897747351. The cubic root of 1102020212 is about 1032.9116758536.

Adding to 1102020212 its reverse (2120202011), we get a palindrome (3222222223).

The spelling of 1102020212 in words is "one billion, one hundred two million, twenty thousand, two hundred twelve".