1011212222002 has 32 divisors (see below), whose sum is σ = 1552444185600. Its totient is φ = 493882396560.

The previous prime is 1011212221991. The next prime is 1011212222051. The reversal of 1011212222002 is 2002222121101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7210749 + ... + 7349647.

It is an arithmetic number, because the mean of its divisors is an integer number (48513880800).

Almost surely, 2^{1011212222002} is an apocalyptic number.

1011212222002 is a deficient number, since it is larger than the sum of its proper divisors (541231963598).

1011212222002 is a wasteful number, since it uses less digits than its factorization.

1011212222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139446.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1011212222002 its reverse (2002222121101), we get a palindrome (3013434343103).

The spelling of 1011212222002 in words is "one trillion, eleven billion, two hundred twelve million, two hundred twenty-two thousand, two".