11211212001002 has 32 divisors (see below), whose sum is σ = 18120828532800. Its totient is φ = 5171432221440.

The previous prime is 11211212000993. The next prime is 11211212001029. The reversal of 11211212001002 is 20010021211211.

It is a super-2 number, since 2×11211212001002² (a number of 27 digits) contains 22 as substring.

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, 648075749 + ... + 648093047.

It is an arithmetic number, because the mean of its divisors is an integer number (566275891650).

Almost surely, 2^{11211212001002} is an apocalyptic number.

11211212001002 is a deficient number, since it is larger than the sum of its proper divisors (6909616531798).

11211212001002 is a wasteful number, since it uses less digits than its factorization.

11211212001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30198.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11211212001002 its reverse (20010021211211), we get a palindrome (31221233212213).

The spelling of 11211212001002 in words is "eleven trillion, two hundred eleven billion, two hundred twelve million, one thousand, two".