1012202221111 has 8 divisors (see below), whose sum is σ = 1016547378944. Its totient is φ = 1007862035040.

The previous prime is 1012202221103. The next prime is 1012202221141. The reversal of 1012202221111 is 1111222022101.

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 1012202221111 - 2³ = 1012202221103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012202221141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834600 + ... + 1649533.

It is an arithmetic number, because the mean of its divisors is an integer number (127068422368).

Almost surely, 2^{1012202221111} is an apocalyptic number.

1012202221111 is a deficient number, since it is larger than the sum of its proper divisors (4345157833).

1012202221111 is a wasteful number, since it uses less digits than its factorization.

1012202221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485881.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012202221111 its reverse (1111222022101), we get a palindrome (2123424243212).

The spelling of 1012202221111 in words is "one trillion, twelve billion, two hundred two million, two hundred twenty-one thousand, one hundred eleven".