111210000020002 has 48 divisors (see below), whose sum is σ = 187802507201400. Its totient is φ = 49094680732416.

The previous prime is 111210000019981. The next prime is 111210000020083. The reversal of 111210000020002 is 200020000012111.

It can be written as a sum of positive squares in 4 ways, for example, as 92015077817601 + 19194922202401 = 9592449^2 + 4381201^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612471124 + ... + 612652672.

Almost surely, 2^{111210000020002} is an apocalyptic number.

111210000020002 is a deficient number, since it is larger than the sum of its proper divisors (76592507181398).

111210000020002 is a wasteful number, since it uses less digits than its factorization.

111210000020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226147 (or 226124 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111210000020002 its reverse (200020000012111), we get a palindrome (311230000032113).

The spelling of 111210000020002 in words is "one hundred eleven trillion, two hundred ten billion, twenty thousand, two".