1011202221212 has 6 divisors (see below), whose sum is σ = 1769603887128. Its totient is φ = 505601110604.

The previous prime is 1011202221209. The next prime is 1011202221233. The reversal of 1011202221212 is 2121222021101.

1011202221212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126400277648 + ... + 126400277655.

It is an arithmetic number, because the mean of its divisors is an integer number (294933981188).

Almost surely, 2^{1011202221212} is an apocalyptic number.

It is an amenable number.

1011202221212 is a deficient number, since it is larger than the sum of its proper divisors (758401665916).

1011202221212 is a wasteful number, since it uses less digits than its factorization.

1011202221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252800555307 (or 252800555305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1011202221212 its reverse (2121222021101), we get a palindrome (3132424242313).

The spelling of 1011202221212 in words is "one trillion, eleven billion, two hundred two million, two hundred twenty-one thousand, two hundred twelve".