221103210203132 has 6 divisors (see below), whose sum is σ = 386930617855488. Its totient is φ = 110551605101564.

The previous prime is 221103210202997. The next prime is 221103210203143. The reversal of 221103210203132 is 231302012301122.

It is a junction number, because it is equal to n+sod(n) for n = 221103210203098 and 221103210203107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27637901275388 + ... + 27637901275395.

It is an arithmetic number, because the mean of its divisors is an integer number (64488436309248).

Almost surely, 2^{221103210203132} is an apocalyptic number.

It is an amenable number.

221103210203132 is a deficient number, since it is larger than the sum of its proper divisors (165827407652356).

221103210203132 is a wasteful number, since it uses less digits than its factorization.

221103210203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55275802550787 (or 55275802550785 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 221103210203132 its reverse (231302012301122), we get a palindrome (452405222504254).

The spelling of 221103210203132 in words is "two hundred twenty-one trillion, one hundred three billion, two hundred ten million, two hundred three thousand, one hundred thirty-two".