1011211012222 has 16 divisors (see below), whose sum is σ = 1519679221632. Its totient is φ = 504651513240.

The previous prime is 1011211012187. The next prime is 1011211012271. The reversal of 1011211012222 is 2222101121101.

It is a super-2 number, since 2×1011211012222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011211012196 and 1011211012205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8946223 + ... + 9058549.

It is an arithmetic number, because the mean of its divisors is an integer number (94979951352).

Almost surely, 2^{1011211012222} is an apocalyptic number.

1011211012222 is a deficient number, since it is larger than the sum of its proper divisors (508468209410).

1011211012222 is a wasteful number, since it uses less digits than its factorization.

1011211012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120783.

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

Adding to 1011211012222 its reverse (2222101121101), we get a palindrome (3233312133323).

The spelling of 1011211012222 in words is "one trillion, eleven billion, two hundred eleven million, twelve thousand, two hundred twenty-two".