212020221102002 has 4 divisors (see below), whose sum is σ = 318030331653006. Its totient is φ = 106010110551000.

The previous prime is 212020221101903. The next prime is 212020221102017. The reversal of 212020221102002 is 200201122020212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 187293758751961 + 24726462350041 = 13685531^2 + 4972571^2 .

It is a super-2 number, since 2×212020221102002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53005055275499 + ... + 53005055275502.

Almost surely, 2^{212020221102002} is an apocalyptic number.

212020221102002 is a deficient number, since it is larger than the sum of its proper divisors (106010110551004).

212020221102002 is a wasteful number, since it uses less digits than its factorization.

212020221102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106010110551003.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212020221102002 its reverse (200201122020212), we get a palindrome (412221343122214).

The spelling of 212020221102002 in words is "two hundred twelve trillion, twenty billion, two hundred twenty-one million, one hundred two thousand, two".